Agent Name

Formalin

CAS Number

50-00-0

Formula

C-H2-O

Major Category

Other Classes

Synonyms

Aldehyd mravenci [Czech]; Aldehyde formique [French]; Aldehyde formique [ISO-French]; Aldeide formica [Italian]; BFV; Dormol; FYDE; Fannoform; Formaldehyd [Czech, Polish]; Formaldehyde; Formaldehyde solution; Formaldehyde, gas; Formalin; Formalin 40; Formalin [JAN]; Formalin-loesungen [German]; Formalina [Italian]; Formaline [German]; Formalith; Formic aldehyde; Formol; Karsan; Lysoform; Methaldehyde; Methanal; Methyl aldehyde; Methylene oxide; Morbicid; Oplossingen [Dutch]; Oxomethane; Oxymethylene; Paraform; Superlysoform; [ChemIDplus] UN1198; UN2209

Category

Aldehydes

Description

Colorless liquid with a pungent odor; Formalin is an aqueous solution that is 37 % formaldehyde by weight; inhibited solutions contain 6-12 % methyl alcohol; [NIOSH]

Sources/Uses

Used in the manufacture of resins and textiles, as a disinfectant, and as a laboratory fixative or preservative; [ChemIDplus]

Comments

Formaldehyde is sold commercially as formalin in solutions of 37%, 44% or 50%. See Formaldehyde. A severe eye and respiratory tract irritant, and my cause pulmonary edema; [ICSC] See "Formaldehyde."

Reference Link

EPA Pesticide Chemical Search

Exposure Assessment
Skin Designation (ACGIH)

No

Ceiling (ACGIH)

0.3 ppm

PEL (OSHA)

0.75 ppm, STEL(OSHA) = 2 ppm

MAK

0.3 ppm

IDLH (NIOSH)

20 ppm

Vapor Pressure

1 mm Hg

Odor Threshold Low

0.02 ppm

Odor Threshold High

1.9 ppm

Lethal Concentration

LC50 (rat) = 203 mg/m3

Explanatory Notes

Exposure limits are "as formaldehyde." Flash point = 85 deg C; Odor threshold from CHEMINFO;

Adverse Effects
Skin Sensitizer

Yes

Asthma

Yes

Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

IARC Carcinogen

Probable Carcinogen

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: