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Guar Gum, Guaran, Artificial Sahlep, E412, 9000-30-0

Guar Gum, Guaran, Artificial Sahlep, E412, 9000-30-0

GUAR GUM (E412)
PRODUCT IDENTIFICATION INFORMATION

Parameter Information
Product Name Guar Gum
Chemical Name Guar Gum (galactomannan polysaccharide)
Synonyms (Turkish) Guar Gamı, Suni Sahlep, Kıvam Verici
Synonyms (English) Guar Gum, Guaran, E412
CAS Number 9000-30-0
E Number E412
Molecular Formula Variable (polysaccharide)
Source Guar plant (Cyamopsis tetragonoloba) seeds
Appearance White to yellowish-white powder
Odor Odorless or slight characteristic odor

CHEMICAL STRUCTURE

Guar Gum (Galactomannan)

—(1,4)-β-D-Mannan backbone
|
|—(1,6)-α-D-Galactose side chains

Structure: Natural polysaccharide extracted from the endosperm of guar plant (Cyamopsis tetragonoloba) seeds; Galactomannan polymer; β-D-mannan backbone (1,4 linked) with α-D-galactose side chains (1,6 linked); Galactose:mannose ratio approximately 1:2; High molecular weight.

SECTION 1: CHEMICAL IDENTITY AND DESCRIPTION

Parameter Information
Product Name Guar Gum
Chemical Name Guar Gum (galactomannan polysaccharide)
Synonyms (Turkish) Guar Gamı, Suni Sahlep, Kıvam Verici
Synonyms (English) Guar Gum, Guaran, E412
CAS Number 9000-30-0
E Number E412
Molecular Formula Variable (polysaccharide)
Chemical Class Natural polysaccharide; Galactomannan; Hydrocolloid
Source Guar plant (Cyamopsis tetragonoloba) seeds
Physical State (20°C) Solid (powder)
Odor Odorless or slight characteristic odor
Color White to yellowish-white
Taste Tasteless

SECTION 2: PHYSICAL AND CHEMICAL PROPERTIES

Property Value Test Method / Note
Appearance White to yellowish-white, free-flowing powder Visual
Odor Odorless or slight characteristic odor Olfactometric
Molecular Weight 200,000 – 2,000,000 Da (variable) GPC
Bulk Density 0.6 – 0.8 g/cm³ ASTM D1895
pH (1% Solution) 5.5 – 7.0 (neutral) pH Meter
Solubility in Cold Water Soluble (hydrates, swells) General Method
Solubility in Hot Water Soluble (faster) General Method
Solubility in Ethanol Insoluble General Method
Viscosity (1% Solution, 25°C) 2,000 – 6,000 cP (grade dependent) Brookfield
Viscosity (1% Solution, Hot) Decreases (as temperature increases)
Moisture Content ≤ 12% (typical) Gravimetric (105°C)
Ash Content ≤ 1.5% Gravimetric (800°C)
Protein Content ≤ 5% Kjeldahl
Insoluble Fiber ≤ 2.5%
Galactose:Mannose Ratio ~1:2 HPLC
Hydrolysis (Acid) Hydrolyzes to galactose and mannose
Thixotropic Behavior Moderate (shear-thinning) Rheometer
Syneresis Low

SECTION 3: GUAR GUM VS LOCUST BEAN GUM (LBG) COMPARISON

Property Guar Gum Locust Bean Gum (LBG)
Source Guar plant (Cyamopsis tetragonoloba) Carob tree (Ceratonia siliqua)
Galactose:Mannose Ratio 1:2 1:4
Solubility in Water Soluble in cold water Soluble in hot water (80°C)
Viscosity High (fast) Medium (slow)
Synergistic Gel With kappa carrageenan With kappa carrageenan (strong)
Thixotropy Moderate Low
Cost Low High
Primary Use Thickener, stabilizer Gelling agent (with carrageenan)

SECTION 4: CHEMICAL PROPERTIES AND REACTIVITY

Parameter Information
Chemical Character Natural polysaccharide; Non-ionic; Galactomannan; Hydrocolloid; Thickener
Stability Stable under normal conditions; Viscosity decreases at high temperature (>80°C); Stable at pH 4-10
Reactivity Hydrates and swells in water; Synergistic gel formation with kappa carrageenan; Crosslinks with borax (gel formation)
Incompatible Materials Strong oxidizing agents (degradation), high temperature (>80°C prolonged), pH <3.5 or >10 (hydrolysis)
Polymerization Does not polymerize
Degradation Products (Heating) Carbon dioxide, water (combustion)
Hydrolysis Acid hydrolysis to galactose and mannose; Enzymatic hydrolysis (galactomannanase)
Crosslinking Crosslinks with borax (sodium borate) to form gels
Synergistic Effect Strong synergistic gel formation with kappa carrageenan; Weak synergy with xanthan gum
Water Binding Capacity High (binds 20-30 times its own weight)
Thixotropy Moderate (shear-thinning, recovers)

SECTION 5: PRODUCTION METHOD

Process: Guar plant → Harvest → Seed separation → Hull removal → Endosperm separation → Grinding → Sieving → Guar Gum powder

Description: Guar plant pods are harvested; Seeds are separated and dried; Seed hulls are mechanically removed; Endosperm (inner part of the seed) is separated; Endosperm is ground into fine powder; Sieved to desired particle size; Final product is white to yellowish-white powder.

SECTION 6: FUNCTIONAL PROPERTIES AND MECHANISM OF ACTION

Property Description
Thickener Dissolves in water to form high viscosity solutions; Rapid hydration in cold water; High viscosity at low concentrations (0.5-1.0%)
Stabilizer Stabilizes emulsions and suspensions; Prevents sedimentation and separation; Used in ice cream, yogurt, sauces
Water Retention Agent High water binding capacity (20-30 times its own weight); Moisture retention in products; Extends shelf life; Prevents syneresis
Emulsifier Supports emulsion formation in oil-water systems; Used in mayonnaise, sauces, salad dressings
Gelling Agent Does not form gel alone (only viscosity); Forms synergistic gels with kappa carrageenan; Crosslinks with borax to form gels
Fiber Source Soluble dietary fiber; Supports digestive system health; Provides satiety
Gluten Substitute Provides structure and elasticity in gluten-free baked goods; Improves bread volume and texture
Consistency Enhancer Provides desired consistency and texture to products; Used in sauces, desserts, ice cream

SECTION 7: MAIN APPLICATION AREAS

Industry / Application Function Typical Use
Food Industry Thickener, stabilizer, emulsifier Sauces, jams, fruit sauces, preserves; Yogurt, dairy products, ice cream; Bakery products, gluten-free products; Sweetened beverages; Instant soups, salad dressings, mayonnaise
Ice Cream Stabilizer Prevents ice crystal formation; Provides creamy texture; Improves melting resistance
Bakery Gluten substitute, water retention Bread, cakes, cookies; Gluten-free baked goods; Softness and volume increase; Shelf life extension
Dairy Products Stabilizer, thickener Yogurt, cream cheese, ice cream; Prevents whey separation; Provides creamy texture
Sauces & Dressings Emulsifier, thickener Mayonnaise, salad dressings; Oil-water emulsion stabilization; Viscosity enhancement
Oil & Gas Viscosity enhancer Drilling fluids; Hydraulic fracturing (fracking) fluids; Sand transport
Paper Industry Surface conditioner Paper softness, durability; Absorbency control
Textile Industry Printing auxiliary, thickener Printing pastes; Dyeing auxiliaries; Finishing processes
Pharmaceutical Binder, disintegrant Tablet binder; Suspension stabilizer; Capsule excipient
Cosmetics Thickener, stabilizer Creams, lotions, toothpastes; Shampoos, hair care products
Agriculture Water retention, soil stabilization Soil moisturizer; Irrigation systems; Fertilizer distribution
Mining Flocculant, thickener Mineral processing; Wastewater treatment

SECTION 8: SAMPLE FORMULATIONS

Ice Cream Stabilizer - 1 L:

Component Amount
Milk/Cream 1 L
Sugar 100 – 150 g
Guar Gum 0.5 – 1.5 g
Emulsifier 0.1 – 0.3 g

Instructions: Mix Guar Gum with sugar; Add to milk/cream; Heat to 85°C; Homogenize; Cool and churn.

Gluten-Free Bread - 1 kg flour:

Component Amount
Gluten-Free Flour Blend 1 kg
Guar Gum 5 – 10 g
Water 700 – 800 mL
Yeast 10 – 15 g
Salt 10 – 15 g

Instructions: Mix Guar Gum with flour; Add water, yeast, and salt; Knead; Let dough rise; Bake.

Salad Dressing - 1 L:

Component Amount
Oil 500 mL
Vinegar/Lemon Juice 300 mL
Water 100 mL
Guar Gum 1 – 3 g
Spices To taste

Instructions: Dissolve Guar Gum in water; Slowly add oil and vinegar while mixing; Homogenize; Add spices.

SECTION 9: USAGE INSTRUCTIONS

General Dosing Guide:

Application Dosage (g/L or g/kg) Notes
Ice Cream 0.5 – 1.5 g/L Ice crystal prevention, creamy texture
Sauces 1 – 3 g/L Viscosity enhancement, emulsion stabilization
Salad Dressings 1 – 3 g/L Emulsion stabilization
Gluten-Free Bread 5 – 10 g/kg flour Gluten substitute, texture improvement
Yogurt 0.5 – 2 g/L Whey separation prevention
Instant Soups 1 – 5 g/L Viscosity enhancement
Jams 1 – 3 g/kg Viscosity enhancement
Dairy Desserts 0.5 – 2 g/L Thickening, stabilization
Drilling Fluids 1 – 5 g/L Viscosity enhancement
Shampoo 1 – 5 g/L Viscosity enhancement

Instructions:

  1. Dispersion: Mix Guar Gum with sugar or other dry ingredients before adding to liquid to prevent clumping.

  2. Hydration: Add to cold or warm water with stirring; Mix for 10-20 minutes for full hydration; Viscosity increases over time (full hydration takes 1-2 hours).

  3. Heating: Heating temporarily reduces viscosity; Viscosity returns upon cooling.

  4. pH: Stable at pH 4-10; Acidic foods (pH <4) require higher dosage.

SECTION 10: QUALITY SPECIFICATIONS

Parameter Food Grade (E412) Industrial Grade Test Method
Appearance White to yellowish-white powder White to yellowish-white powder Visual
Viscosity (1%, 25°C) 2,000 – 6,000 cP 1,500 – 5,000 cP Brookfield
pH (1% Solution) 5.5 – 7.0 5.5 – 7.0 pH Meter
Moisture Content ≤ 12% ≤ 14% Gravimetric (105°C)
Ash Content ≤ 1.5% ≤ 3.0% Gravimetric (800°C)
Protein Content ≤ 5% ≤ 8% Kjeldahl
Insoluble Fiber ≤ 2.5% ≤ 4.0%
Heavy Metals (as Pb) ≤ 10 ppm ≤ 20 ppm AAS / ICP
Arsenic (As) ≤ 3 ppm ≤ 5 ppm AAS / ICP
Lead (Pb) ≤ 5 ppm ≤ 10 ppm AAS / ICP
Salmonella Absent Microbiological
E. coli Absent Microbiological
Total Plate Count ≤ 5,000 CFU/g ≤ 10,000 CFU/g Microbiological
Particle Size Customer requirement Customer requirement Sieve / Laser

SECTION 11: TOXICOLOGICAL PROFILE

Parameter Value
Acute Oral Toxicity (LD50, Rat) > 10,000 mg/kg (practically non-toxic)
Acute Dermal Toxicity Non-irritating
Acute Inhalation Toxicity Mild irritation (dust)
Skin Irritation Non-irritating
Eye Irritation May cause mechanical irritation (powder)
Chronic Toxicity Non-toxic; FDA GRAS status; Food additive E412
Carcinogenicity Not classified as carcinogenic
Mutagenicity Not mutagenic
Reproductive Toxicity No reproductive toxicity
Allergenicity Rare allergic reactions (dust)
Target Organs None (non-toxic)
Special Toxicity Note Non-toxic; FDA GRAS status; WHO JECFA approved; Food additive E412; Soluble dietary fiber; High doses may cause gas, bloating, abdominal pain; Rare allergic reactions; May affect drug absorption (should not be taken with medications)

SECTION 12: GHS CLASSIFICATION AND LABELING

GHS Classification (in accordance with CLP and UN GHS):

Hazard Class Category H-Statement
Not classified as hazardous

SIGNAL WORD: NONE (not classified as hazardous)

Hazard Pictograms: NONE

Hazard Statements (H-Codes): Not classified as hazardous under GHS regulations.

NFPA 704 Hazard Classification:

Health Flammability Reactivity Special
1 1 0 -
(Slight health hazard – dust) (Combustible – dust may form explosive mixture) (Stable) (None)

SECTION 13: PRECAUTIONARY STATEMENTS (P-CODES)

Code Statement
P261 Avoid breathing dust/fume/gas/mist/vapors/spray
P264 Wash hands thoroughly after handling
P271 Use only outdoors or in a well-ventilated area
P280 Wear protective gloves/protective clothing/eye protection/face protection
P302+P352 IF ON SKIN: Wash with plenty of soap and water
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and continue rinsing
P312 Call a POISON CENTER/doctor if you feel unwell
P332+P313 If skin irritation occurs: Get medical advice/attention
P337+P313 If eye irritation persists: Get medical advice/attention
P362+P364 Take off contaminated clothing and wash it before reuse
P403+P233 Store in a well-ventilated place. Keep container tightly closed
P501 Dispose of contents/container in accordance with local/regional/national/international regulations

SECTION 14: FIRST AID MEASURES

Exposure Route Action to Take
Inhalation Remove to fresh air immediately. If respiratory irritation develops (dust inhalation), seek medical attention.
Skin Contact Wash with plenty of soap and water. If irritation persists, get medical attention.
Eye Contact Rinse immediately with plenty of water for at least 15 minutes. Keep eyelids open. Remove contact lenses if present. If irritation persists, seek medical attention.
Ingestion Rinse mouth. Drink plenty of water. Generally non-toxic. If large quantities are ingested and symptoms (gas, bloating) occur, seek medical attention.

SECTION 15: FIREFIGHTING MEASURES

Parameter Information
Fire Hazard Combustible organic material. Dust cloud may form explosive mixture with air (if finely dispersed).
Hazards Arising from Fire Thermal decomposition produces carbon monoxide, carbon dioxide, and water.
Suitable Extinguishing Media Water spray, CO₂, dry chemical powder, foam.
Unsuitable Extinguishing Media Water jet (may spread dust)
Special Protective Equipment Self-contained breathing apparatus (SCBA), full protective clothing (for surrounding fire).
Special Precautions Prevent dust from entering sewers and waterways. Avoid dust cloud formation.

SECTION 16: STORAGE AND SHELF LIFE

Parameter Information
Storage Conditions Store in a cool, dry, well-ventilated area; PROTECT FROM MOISTURE and high humidity; Keep away from direct sunlight and high temperatures.
Container Requirements Tightly closed, moisture-proof containers (plastic bags, fiber drums, paper bags with PE liner).
Materials to Protect From Moisture, high humidity, strong oxidizing agents, direct heat sources.
Shelf Life 24 – 36 months (in unopened original packaging, under proper storage conditions).
Stability Note Hygroscopic – absorbs moisture; Keep container tightly closed after opening; Protect from excessive humidity and temperature fluctuations; Viscosity may decrease over time.
Special Storage Requirements Store in a dry, well-ventilated warehouse; Avoid exposure to rain, sun, and moisture; Opened containers must be resealed immediately.

SECTION 17: PACKAGING OPTIONS

Packaging Type Quantity Material
Multi-layer Paper Bag 10 kg, 20 kg, 25 kg PE-lined kraft paper bag (moisture-proof)
Plastic Bag 5 kg, 10 kg, 25 kg PE bag (inner-lined, sealed, moisture-proof)
Fiber Drum 20 kg, 25 kg PE-lined fiberboard drum
Plastic Drum 25 kg, 50 kg HDPE / Polypropylene (moisture-proof)
FIBC / Big Bag 500 kg, 1000 kg PE-lined, moisture-resistant PP woven bag
Small Pack 1 kg, 5 kg Foil-lined plastic bags (laboratory/sample)

SECTION 18: TRANSPORT INFORMATION

Parameter Information
UN Number Not regulated (non-hazardous)
Hazard Class Not applicable
Packing Group Not applicable
ADR/RID Not regulated
IMDG Code Not regulated (non-hazardous)
IATA (Air) Not regulated (non-hazardous)
Marine Pollutant No
Transport Temperature Ambient temperature; Protect from moisture.

SECTION 19: REGULATORY STATUS

Region / Authority Status
European Union Food additive E412 approved by EFSA; Not classified as hazardous
USA (TSCA) Listed (TSCA Inventory)
USA (FDA) GRAS (Generally Recognized as Safe) – 21 CFR 184.1339; Food additive E412
Turkey Food additive E412 (Food Codex); Subject to KKDIK regulation
IARC Not classified (non-toxic, non-carcinogenic)
NTP Not listed
OSHA Not regulated as toxic or carcinogenic substance
California (Prop 65) Not listed
WHO JECFA Approved (ADI: Not specified)
FCC (Food Chemicals Codex) Listed
Halal Yes (plant-based, with certified grades)
Kosher Yes (plant-based, with certified grades)
Vegan Yes (plant-based)

SECTION 20: OTHER NAMES AND SYNONYMS

Type Name
Turkish Names Guar Gamı, Suni Sahlep, Kıvam Verici
English Names Guar Gum, Guaran, E412
Chemical Names Galactomannan; Guar polysaccharide; Cyamopsis tetragonoloba gum
CAS Number 9000-30-0
E Number E412
HS Code 1302.32
Synonyms Guar, Guaran, Gum Guar, Cyamopsis Gum, Indian Guar

SECTION 21: SUMMARY TABLE

Parameter Value
Product Guar Gum (E412)
CAS Number 9000-30-0
Molecular Formula Variable (polysaccharide)
Appearance White to yellowish-white powder
pH (1% Solution) 5.5 – 7.0
Viscosity (1%, 25°C) 2,000 – 6,000 cP
Primary Function Thickener, stabilizer, emulsifier
Main Application Areas Food (ice cream, sauces, bakery), oil & gas, paper, textile, pharmaceutical, cosmetics, agriculture
Shelf Life 24 – 36 months
GHS Signal Word NONE (not classified as hazardous)
UN Number Not regulated
Special Properties Natural plant-based; Vegan; Cold water soluble; High viscosity; Soluble fiber; FDA GRAS

SECTION 22: CRITICAL WARNINGS AND BEST PRACTICES

CRITICAL WARNINGS:

  • Not classified as hazardous under GHS. Non-toxic, non-carcinogenic. FDA GRAS status.

  • Food additive E412 – Approved by EFSA, FDA, and WHO JECFA.

  • Hygroscopic – absorbs moisture from air. Store in tightly closed, moisture-proof containers.

  • Dust may cause mechanical irritation to eyes, skin, and respiratory system. Use appropriate dust control measures.

  • Combustible (organic material). Keep away from open flames and high heat. Dust cloud may form explosive mixture.

  • High viscosity – provides high viscosity at low concentrations (0.5-1.0%); Overdosing results in overly thick products.

  • Cold water soluble – no heating required; Adequate mixing time (10-20 minutes) required for hydration.

  • Stable at pH 4-10 – acidic foods (pH <4) require higher dosage.

  • High doses – may cause gas, bloating, abdominal pain; Start with low doses.

  • Drug interaction – may delay drug absorption; Should not be taken with medications.

  • Vegan and plant-based – suitable for vegan, halal, and kosher applications.

BEST PRACTICE RECOMMENDATIONS:

Ice Cream: Use as stabilizer; Prevents ice crystal formation; Provides creamy texture; Dosage 0.5-1.5 g/L; Mix with sugar before adding to milk; Heat to 85°C.

Sauces and Dressings: Use as emulsifier and thickener; Dosage 1-3 g/L; Dissolve in cold water; Stabilizes oil and water phases; Prevents separation.

Gluten-Free Baking: Use as gluten substitute; Dosage 5-10 g/kg flour; Improves bread volume and texture; Provides softness; Extends shelf life.

Dairy Products: Use as stabilizer; Dosage 0.5-2 g/L; Prevents whey separation; Provides creamy texture; Used in yogurt, cream cheese, ice cream.

Oil & Gas (Drilling Fluids): Use as viscosity enhancer; Dosage 1-5 g/L; Increases drilling fluid viscosity; Improves sand transport capacity.

Handling: Use in well-ventilated areas; Avoid dust formation; Use dust masks (N95/FFP2) when handling powder; Use gloves and safety goggles.

Personal Protective Equipment: Dust mask (N95/FFP2 or higher), safety goggles, protective gloves (nitrile, neoprene). Not required for solution handling.

Hygiene: Wash hands thoroughly after handling; Do not eat, drink, or smoke while using.

Storage: Store in tightly closed, moisture-proof containers; Store in a cool, dry, well-ventilated area; Protect from moisture, rain, sunlight, and high humidity; Opened packages should be resealed immediately; Shelf life: 24-36 months under proper conditions.

Spill Management: Sweep or vacuum (HEPA) and place in suitable sealed container; Avoid dust formation; Do NOT wash with water (creates slippery surface); Do not allow entry into drains or waterways.

Disposal: Dispose of in accordance with local, regional, and national regulations; Non-hazardous waste; Biodegradable; Can be incinerated in compliance with regulations.

HEALTH BENEFITS AND SIDE EFFECTS:

Benefits Possible Side Effects
May help lower cholesterol levels (LDL) Gas and bloating (high doses)
May help balance blood sugar Allergic reactions (rare)
Supports digestive system health May affect drug absorption
Provides satiety (weight control) Abdominal pain (excessive consumption)
Prevents constipation Intestinal obstruction (very high doses)

SYNERGY WITH OTHER HYDROCOLLOIDS:

Combination Effect
Guar Gum + Kappa Carrageenan Synergistic gel formation (strong)
Guar Gum + Xanthan Gum Viscosity increase, thixotropy
Guar Gum + Agar Weak synergy
Guar Gum + Starch Viscosity increase

LEGAL DISCLAIMER:
The information provided in this document is based on our current knowledge and experience and is presented in good faith. However, as all conditions of use are beyond our control, it does not constitute a binding specification or warranty. This Technical Data Sheet is for informational purposes only. Users are responsible for testing the suitability for their own applications. For complete safety, storage, use, handling, waste, and regulatory compliance information, please refer to the official Safety Data Sheet (SDS/MSDS) provided by the manufacturer/supplier.

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