SoleChem

Formaldehyde

CAS
50-00-0
EC
200-001-8
Mol. Weight
30.026 g/mol

Description

Formaldehyde (CAS 50-00-0), also known commercially as Paraform in its solid polymerized form and listed as E240 in food-related contexts, is a high-demand chemical intermediate.

It is a biocidal agent used across industrial manufacturing and preservation applications. It functions primarily as a crosslinking agent, disinfectant, and reactive monomer in the production of resins and polymers.

In chemical manufacturing, it is the foundational building block for urea-formaldehyde and phenol-formaldehyde resins used in adhesives, laminates, and molded components for various industrial sectors.

Textile and leather processors apply it as a crosslinking agent to impart wrinkle resistance, dimensional stability, and wet strength to finished goods during the manufacturing process.

Water treatment operations use it as a biocide to control microbial growth in industrial cooling systems and process water. In personal care, it functions as a preservative in low-concentration formulations.

Pharmaceutical producers rely on it for equipment sterilization and vaccine inactivation processes. Formaldehyde is supplied as an aqueous solution, most commonly at 37% concentration known as formalin.

It is also available in solid polymerized form as paraformaldehyde powder or prills. Technical and industrial grades are standard for resin and chemical synthesis applications across the global market.

Pharmaceutical and reagent grades are available for controlled manufacturing environments requiring tighter purity specifications. These grades ensure compliance with rigorous safety and quality protocols.

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Physical Properties

Melting Point -92 °C
Boiling Point -19.5 °C
Density 0.8 g/cm³
Flash Point 133 °F
Appearance Formaldehyde is a colorless, pungent gas or aqueous solution. The Odor Threshold is 0.8 ppm. Also,formalin is an aqueous solution that is 37% formaldehyde by weight; inhibited solutions (added to prevent polymeri zation) usually contain 6 12% methyl alcohol.
Color APHA: ≤10
Odor Pungent odor detectable at 1 ppm
Form Solution
Water Solubility soluble
Vapor Pressure 52 mm Hg ( 37 °C)
Refractive Index n 20/D 1.377
pH pH (25℃) : 7.0~7.5
Log P 0.350

Safety & Handling (Learn More)

Danger GHS05 GHS06 GHS08 GHS07 GHS02 GHS04
Hazard Statements
H220 Extremely flammable gas
H227 Combustible liquid
H280 Contains gas under pressure; may explode if heated
H301 Toxic if swallowed
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H319 Causes serious eye irritation
H330 Fatal if inhaled
H331 Toxic if inhaled
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341 Suspected of causing genetic defects
H350 May cause cancer
H351 Suspected of causing cancer
H370 Causes damage to organs
H372 Causes damage to organs through prolonged or repeated exposure
H401 Toxic to aquatic life
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P222 Do not allow contact with air.
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P262 Do not get in eyes, on skin, or on clothing.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P316 Get emergency medical help immediately.
P317 Get emergency medical help.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P320 Specific treatment is urgent (see … on this label).
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P363 Wash contaminated clothing before reuse.
P377 Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P381 In case of leakage, eliminate all ignition sources.
P403 Store in a well-ventilated place.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P316 Get emergency medical help immediately.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P308+P316 Get emergency medical help immediately.
P332+P317 Get emergency medical help.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P361+P364 Take off immediately all contaminated clothing and wash it before reuse.
P362+P364 Take off contaminated clothing and wash it before reuse.
P370+P378 Use … for extinction.
P403+P233 Store in a well-ventilated place. Keep container tightly closed.
P410+P403 Protect from sunlight. Store in a well-ventilated place.
P301+P330+P331 Rinse mouth. Do NOT induce vomiting.
P302+P361+P354 IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P305+P354+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code 29121990
UN Number 1198
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 2

Documentation

Other Names

Paraform|Methylene oxide|Methyl aldehyde|Methanal|Formol|Formic aldehyde|Formalith|Formaline|E240

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