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Formaldehyde, BFV, HCHO, HCHO, HOCH, Formol, Methanal, Methylene oxide, Formic aldehyde, 50-00-0, 8013-13-6

Formaldehyde, BFVHCHOHCHOHOCHFormol, Methanal, Methylene oxide, Formic aldehyde, 50-00-0, 8013-13-6

CAS: 50-00-0;8013-13-6

Molecular Formula: CH2O

Names and Identifiers

Name Formaldehyde
Synonyms BFV
HCHO
HOCH
FYDE
Formol
karsan
Veracur
Formalin
lysoform
Methanal
Morbicid
Methan 21
formalith
fannoform
Oxomethane
Oxymethylene
formaldehyde
Oxomethylene
Formaldehyde
superlysoform
Methylene oxide
Methyl aldehyde
Formic aldehyde
Melamine-Formaldehyde Resin
CAS 50-00-0
8013-13-6
EINECS 200-001-8
InChI InChI=1/CH2O/c1-2/h1H2

Formaldehyde - Physico-chemical Properties

Molecular Formula CH2O
Density 1.083
Melting Point -15℃
Boling Point 97℃
Flash Point 60℃
Water Solubility soluble
Refractive Index 1.3755
Physical and Chemical Properties

colorless combustible gas, with a strong irritating, asphyxiating odor, human eyes, nose and other stimulating effects.

Storage Conditions 2-8°C
 

Use It is a strong reducing agent, has a bactericidal effect, can be used as a disinfectant for people, can be used as an antiseptic for animals, such as fumigation Used as organic chemical raw materials, used in medicine, synthetic fiber, synthetic resin, plastic preservative, reducing agent, etc Mainly used for the preparation of phenolic, urea-formaldehyde, melamine and polyoxymethylene resin, also used for the preparation of MDI, pentaerythritol, urotropine and butanediol Used for chromatographic analysis, sterilization disinfectant, also used for phenolic resin preparation and biological specimens It is a strong reducing agent, has a bactericidal effect, can be used as a disinfectant for people, can be used as an antiseptic for animals, such as fumigation

Formaldehyde - Risk and Safety

Hazard Symbols T - Toxic
Toxic
Risk Codes R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed.
R34 - Causes burns
R40 - Limited evidence of a carcinogenic effect
R43 - May cause sensitization by skin contact
Safety Description S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection.
S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
S51 - Use only in well ventilated areas.
UN IDs UN 1198/2209

Formaldehyde - Upstream Downstream Industry

Raw Materials Methyl alcohol
Formaldehyde
Downstream Products 2-Ethyl-2-(hydroxymethyl)-1,3-propanediol
4,4'-Methylenedianiline
Paraformaldehyde
1,4-Butanediol
2-Butene-1,4-diol
2-Butyne-1,4-diol
Propargyl alcohol
Pentaerythritol
3-Phenoxybenzyl alcohol
Benzyl Mercaptan
Ethylenediaminetetraacetic acid

Formaldehyde - Nature

Open Data Verified Data

colorless transparent liquid. It can be freely miscible with water, ethanol and acetone. In the air can be gradually oxidized to formic acid, is a strong reducing agent. Its vapor and air to form an explosive mixture, fire, high heat caused by combustion explosion. In general commercial products, 10% to 12% of methanol is added as an inhibitor, otherwise polymerization will occur.

Last Update:2024-01-02 23:10:35

Formaldehyde - Preparation Method

Open Data Verified Data

methanol vapor at 300 ° C., the introduction of copper or silver catalyst, methanol dehydrogenation obtained. Formaldehyde gas absorption water content of 36% ~ 40%, that is, formaldehyde solution. The commercially available formaldehyde solution is distilled to remove impurities and supplemented with methanol as the reagent formaldehyde solution.

Last Update:2022-01-01 09:26:19

Formaldehyde - Standard

Authoritative Data Verified Data
  • This product contains formaldehyde (CH20) should be 36.0% ~ 38 0% (g /g).
  • This product contains 10% to 12% methanol to prevent polymerization.

Last Update:2024-01-02 23:10:35

Formaldehyde - Use

Open Data Verified Data

used as a fixative for various preparations in microscopic analysis as a reagent for the determination of ammonium salts and amino acids. Also used as a germicidal disinfectant, biological specimens of dip, reducing agent. It is also an important organic raw material.

Last Update:2022-01-01 09:26:20

Formaldehyde - Trait

Authoritative Data Verified Data
  • This product is colorless or almost colorless clear liquid, irritating special odor, can stimulate the nose and throat mucosa; In the cold place for a long time is prone to turbidity.
  • This product can be mixed with water or ethanol.

Last Update:2022-01-01 11:38:43

Formaldehyde - Differential diagnosis

Authoritative Data Verified Data
  1. take 5 drops of this product, put it in a test tube, add water lml to dilute, add 3 drops of ammonia silver nitrate test solution, that is, the precipitation of silver, into a fine gray precipitate, or the generation of a bright silver mirror in the tube wall.
  2. take a small amount of this product, add a few drops of magenta sulfurous acid solution and dilute hydrochloric acid, that is red.

Last Update:2022-01-01 11:38:44

Formaldehyde - Safety

Open Data Verified Data

rat oral LD50: 800mg/kg; Rabbit percutaneous LD50: 270mg/kg. It is strongly irritating to mucous membranes, upper respiratory tract, eyes and skin. Protection should be provided when they may come into contact with their vapors. Store in a cool, ventilated warehouse. Keep away from fire and heat source. Protection from direct sunlight. Keep the container sealed. Should be stored separately from the oxidant, acid, alkali.

Last Update:2022-01-01 09:26:20

Formaldehyde - Exam

Authoritative Data Verified Data

acidity take 5.0 of this product, add 5ml of water and 2 drops of phenolphthalein indicator solution, and use sodium hydroxide titration solution (0.lmol/L) titration to the solution is pink, consumption of sodium hydroxide titration solution (0.lmol/L) not over 1.0.

Last Update:2022-01-01 11:38:45

Formaldehyde - Content determination

Authoritative Data Verified Data

take about 1.5 of this product, precision weighing, set the Erlenmeyer flask, Add 10ml of water, 25ml of hydrogen peroxide test solution and 2 drops of bromothymol blue indicator solution, Dropwise add sodium hydroxide titration solution (lmol/L) add 25ml sodium hydroxide titration solution (1 mol/L) to the solution until the solution is blue. Set a glass funnel at the mouth of the bottle and heat it on a water bath for 15 minutes, the funnel was washed with water, 2 drops of bromothymol blue indicator solution were added, the solution was titrated with hydrochloric acid titration solution (1 mol/L) to yellow color, and the titration result was corrected by blank test. Each 1 ml of sodium hydroxide titration solution (1 mol/L) corresponds to 30.03mg of ch20.

Last Update:2022-01-01 11:38:45

Formaldehyde - Category

Authoritative Data Verified Data

Disinfection antiseptic.

Last Update:2022-01-01 11:38:45

Formaldehyde - Storage

Authoritative Data Verified Data

seal, anti-freeze storage.

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