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Disodium Laureth Sulfosuccinate, Dodecyl Sodium Sulfosuccinate, LDSS, DLS, 13192-12-6

Disodium Laureth Sulfosuccinate, Dodecyl Sodium Sulfosuccinate, LDSS, DLS, 13192-12-6

DISODIUM LAURETH SULFOSUCCINATE (DLS)

CAS 13192-12-6 | EC 236-149-5 | C₁₆H₂₈Na₂O₇S

SECTION 1: PRODUCT IDENTITY AND DEFINITION

Parameter Description
Product Name Disodium Laureth Sulfosuccinate
Other Names DLS, LDSS, Disodium 4-dodecyl-2-sulfonatosuccinate, Dodecyl Sodium Sulfosuccinate, Sodium Laureth Sulfosuccinate
Chemical Formula C₁₆H₂₈Na₂O₇S
Molecular Weight 410.43 g/mol
CAS Number 13192-12-6
EC Number (EINECS) 236-149-5
Chemical Class Anionic Surfactant / Sulfosuccinate
Appearance Colorless to Slightly Yellow Liquid
Source Synthetic (Maleic anhydride, lauryl alcohol, sodium bisulfite)

Description: Disodium Laureth Sulfosuccinate (DLS) is an anionic surfactant, specifically a mild cleanser and foam booster used primarily in personal care and cleaning products. It is readily soluble in water and stable over a wide pH range. Due to its mildness on skin and hair, it is preferred in products such as baby shampoos, sensitive skin cleansers, and toothpastes. It is also used in industrial cleaning, agriculture, textiles, and paper industries.

SECTION 2: SYNONYMS AND OTHER NAMES

No Synonym / Other Name
1 Disodium Laureth Sulfosuccinate
2 DLS
3 LDSS
4 Dodecyl Sodium Sulfosuccinate
5 Sodium Laureth Sulfosuccinate
6 Disodium 4-dodecyl-2-sulfonatosuccinate
7 13192-12-6
8 EC 236-149-5
9 Laureth Sulfosuccinate Disodium Salt

SECTION 3: CHEMICAL STRUCTURE AND PROPERTIES

Parameter Description
Chemical Family Anionic Surfactant / Sulfosuccinate
Structure Lauryl alcohol reacted with maleic anhydride followed by sulfonation with sodium bisulfite
Functional Groups Sulfonate (-SO₃Na), Carboxylate (-COONa), Ester (-COO-)
Ionic Character Anionic (negative charge)
HLB Value ~13 – 15

Structural Formula:

    CH₂ - COONa
    |
    CH - SO₃Na
    |
    COO - (CH₂CH₂O)ₙ - (CH₂)₁₁ - CH₃

    Disodium Laureth Sulfosuccinate

Key Characteristics:

  • Anionic surfactant

  • Mild and gentle cleanser

  • Excellent foaming and foam stability

  • Readily soluble in water

  • Stable over a wide pH range

  • Good oil removal and emulsification properties

  • Low skin and eye irritation

  • Biodegradable

SECTION 4: PHYSICAL AND CHEMICAL PROPERTIES

Parameter Specification Typical Value Test Method
Physical State (25°C) Liquid - Visual
Appearance Colorless - Slightly Yellow - Visual
Odor Slight characteristic - Organoleptic
Chemical Formula C₁₆H₂₈Na₂O₇S - -
Molecular Weight 410.43 g/mol - -
CAS Number 13192-12-6 - -
pH (1% Aqueous Solution) 5.0 – 7.0 - USP <791>
Active Content ~30 – 40% - Titration
Density (25°C) ~1.03 – 1.07 g/cm³ - ASTM D4052
Water Solubility Soluble - -
Viscosity (25°C) ~10 – 50 cP - Brookfield
Flash Point > 100°C - ASTM D93
Freezing Point ~0 – 5°C - -

SECTION 5: FUNCTIONAL PROPERTIES

Property Description
Cleansing Provides effective and mild cleansing
Foaming Excellent foaming and stable foam
Emulsification Emulsifies oils
Oil Removal Effectively removes oils and greases
Skin Friendliness Low irritation potential
Hard Water Tolerance Good performance in hard water
pH Stability Stable over a wide pH range
Biodegradability Biodegradable
Softening Provides softness to skin and hair

SECTION 6: PERSONAL CARE AND COSMETIC APPLICATIONS

Application Function / Benefit Typical Use Level
Baby Shampoos Mild cleanser, foam booster 5 – 15%
Sensitive Skin Cleansers Mild cleanser 5 – 15%
Shampoos Foam booster, mild cleanser 5 – 15%
Shower Gels Foam booster, mild cleanser 5 – 15%
Body Washes Mild cleanser, emollient 5 – 15%
Liquid Soaps Mild cleanser, foam booster 5 – 15%
Facial Cleansers Mild cleanser, low irritation 5 – 15%
Toothpastes Foam booster, mild cleanser 0.5 – 2.0%
Shaving Foams Mild cleanser, lubricant 5 – 10%
Bubble Baths Foam booster, mild cleanser 5 – 15%

Key Advantages in These Applications:

  • Sensitive skin and baby products

  • Low irritation formulations

  • High foaming products

SECTION 7: DETERGENT AND CLEANING APPLICATIONS

Application Function / Benefit Typical Use Level
Laundry Detergents Surfactant, oil remover 5 – 15%
Dishwashing Detergents Surfactant, foam booster 5 – 15%
Floor Cleaners Oil remover, wetting agent 5 – 15%
Industrial Cleaners Oil remover, emulsifier 5 – 15%
Engine Degreasers Oil remover, emulsifier 10 – 20%
Car Wash Soaps Surfactant, foam booster 5 – 15%

SECTION 8: OTHER INDUSTRIAL APPLICATIONS

Industry Application Function / Benefit
Agriculture Pesticide formulations Emulsifier, wetting agent, dispersant
Textiles Wool cleaning, softening Wetting agent, cleaner, softener
Paper Industry De-inking, penetration Penetrant, flocculation agent
Leather Industry Leather softening Softener, cleaner
Mining Mineral flotation Foam flotation agent
Construction Concrete additives Dispersant, workability enhancer
Firefighting Oil well fires Foam generator

SECTION 9: FOOD APPLICATIONS

Application Function / Benefit Regulation
Food Additive Emulsifier, whipping aid 21 CFR 172.822
GRAS Status Generally recognized as safe FDA approved

Note: Disodium Laureth Sulfosuccinate is considered GRAS (Generally Recognized as Safe) for food use according to FDA regulations (21 CFR 172.822). It has been reported to temporarily reduce the perception of sweetness.

SECTION 10: LABORATORY APPLICATIONS

Application Function / Benefit
RNA/DNA Extraction Cell lysis, protein removal
SDS-PAGE Electrophoresis Protein denaturation
Protein Analysis Equalizing charge-to-mass ratio of proteins
Gel Electrophoresis Size-based separation of proteins

Laboratory Mechanism:

  • Disrupts non-covalent bonds in proteins

  • Denatures proteins

  • Provides negative charge, forcing proteins into rod-like shapes

  • Equalizes charge-to-mass ratio, making separation solely size-dependent


SECTION 11: BASF PRODUCT SERIES

Product Description Active Content Form Notes
Disponil® SUS 87 Spez. EVO Mono-alkyl sulfosuccinate, sodium salt (5 EO) ~30% Liquid EVO (Evolved) sustainable version

SECTION 12: ADVANTAGES AND BENEFITS

Advantage Description
Mild Cleansing Gentle on skin and hair, low irritation
Excellent Foaming Rich and stable foam
Oil Removal Effectively removes oils and greases
Versatile Applications Cosmetics, detergents, industrial, agriculture
Hard Water Tolerance Effective in hard water conditions
Biodegradable Environmentally friendly
GRAS Status Safe for food applications
Wide pH Stability Stable in acidic and alkaline conditions

SECTION 13: COMPARISON WITH OTHER SURFACTANTS

Property Disodium Laureth Sulfosuccinate Sodium Lauryl Sulfate (SLS) Sodium Laureth Sulfate (SLES) Cocamidopropyl Betaine
Ionic Character Anionic Anionic Anionic Amphoteric
Irritation Potential Low High Moderate Low
Foaming Excellent Excellent Excellent Good
Oil Removal Good Excellent Good Moderate
Hard Water Tolerance Good Poor Moderate Good
Skin Friendliness Excellent Poor Moderate Good
Biodegradability Good Good Good Good

SECTION 14: REGULATORY STATUS

Region / Authority Status Description
European Union Permitted Cosmetic and food ingredient
Turkey Permitted Compliant with EU legislation
USA (FDA) Permitted GRAS; 21 CFR 172.822
Japan Permitted Cosmetic and food ingredient
Canada Permitted Health Canada approved
REACH Registered EU chemical regulation compliance
TSCA Listed US Toxic Substances Control Act
EINECS 236-149-5 European Inventory of Existing Chemical Substances

SECTION 15: SAFETY AND TOXICOLOGICAL PROFILE

Parameter Assessment
Acute Oral Toxicity (LD50) > 2,000 mg/kg (low toxicity)
Acute Dermal Toxicity Low toxicity
Skin Irritation Mild – Moderate irritant
Eye Irritation Mild – Moderate irritant
Skin Sensitization Low potential
Carcinogenicity Not classified (IARC, NTP)
Mutagenicity Not mutagenic
Biodegradability Readily biodegradable
Aquatic Toxicity Low – Moderate

Safety Recommendations:

  • S26: In case of eye contact, rinse with plenty of water

  • S36/37: Wear suitable protective clothing and gloves

  • PPE: Chemical resistant gloves, safety goggles

First Aid Measures:

Exposure Route Action
Inhalation Move to fresh air
Skin Contact Wash with soap and water
Eye Contact Rinse with plenty of water for 15 minutes
Ingestion Rinse mouth; do not induce vomiting; seek medical attention

SECTION 16: STORAGE AND SHELF LIFE

Parameter Information
Storage Temperature 5 – 30°C (cool, dry)
Storage Conditions Well-ventilated, moisture-protected area
Container Requirements Sealed containers (HDPE, stainless steel)
Protect From Freezing, excessive heat, contamination
Shelf Life 12 – 24 months (under proper storage)
Degradation Signs Color change, odor change, precipitation

Packaging Options:

  • 25 kg, 50 kg, 200 kg HDPE drums

  • 1000 kg IBC containers

  • 1 kg, 5 kg, 10 kg (upon request)

SECTION 17: QUALITY CERTIFICATES AND STANDARDS

Certificate / Standard Status Description
ISO 9001:2015 Certified Quality management system
ISO 14001:2015 Certified Environmental management system
REACH Registered EU chemical regulation compliance
TSCA Listed US Toxic Substances Control Act
EINECS Listed 236-149-5
FDA Compliant 21 CFR 172.822
Certificate of Analysis (COA) Provided with each batch Includes binding specifications
Safety Data Sheet (SDS) Available Current 16-section document
Technical Data Sheet (TDS) Available Comprehensive technical information
GMP Compliant Manufacturing quality standards

SECTION 18: DISCLAIMER AND LEGAL NOTICE

Item Description
Information Purpose This Technical Data Sheet (TDS) is for informational purposes only and does not constitute a binding specification.
Typical Values Values stated herein are based on typical laboratory results and may vary slightly between batches.
Binding Data For binding specifications, the Certificate of Analysis (COA) for each batch should be requested.
User Responsibility The user is solely responsible for determining the suitability of the product for the intended application and ensuring compliance with all applicable regulations.
SDS Requirement A current Safety Data Sheet (SDS) should be requested from the supplier prior to use.
Safety Information Safety information in this document is based on current knowledge but does not constitute a guarantee of the product's health and safety risks.
Regulatory Changes The user is responsible for monitoring local and international regulatory changes.
Product Quality Product quality is guaranteed in accordance with the standards specified in this document.
License / Patents This document does not grant any license or patent rights for use of the product.
Side Effects May cause mild skin and eye irritation; appropriate protective measures should be taken.

DISCLAIMER (LEGAL NOTICE): This Technical Data Sheet (TDS) is for informational purposes only and does not constitute a binding specification. The values stated herein are based on typical laboratory results. The user is solely responsible for determining the suitability of the product for the intended application and for ensuring compliance with all local regulations. A current Safety Data Sheet (SDS) and Certificate of Analysis (COA) should be requested prior to use. May cause mild skin and eye irritation; appropriate protective measures should be taken. This document does not grant any license or patent rights for use of the product.

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