Agent Name

Butynediol

CAS Number

110-65-6

Formula

C4-H6-O2

Major Category

Other Classes

Synonyms

1,4-Butinodiol [Spanish]; 1,4-Butynediol (VAN); 1,4-Dihydroxy-2-butyne; 2-Butin-1,4-diol [Czech]; 2-Butin-1,4-diol [Czechoslovakia]; 2-Butynediol; Agrisynth B3D; Bis(hydroxymethyl)acetylene; But-2-yne-1,4-diol; Butynediol-1,4 [French]; 2-Butyne-1,4-diol; [ChemIDplus] UN2716

Category

Other Organic Compounds

Description

White to yellow solid; [HSDB] Yellow or amber colored chips or chunks; [MSDSonline]

Sources/Uses

Used to produce flame retardants and other chemicals; Also used as a corrosion inhibitor, pickling agent, paint remover, cleansing agent, descaling agent, electroplating brightener, defoliant, polymerization accelerator, and stabilizer for chlorinated hydrocarbons; [HSDB]

Comments

A severe skin and eye irritant; [HSDB] Toxic by inhalation, ingestion, and skin contact; [CAMEO] May cause skin burns and sensitization; [eChemPortal: ESIS] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; May cause skin sensitization; Causes liver, brain, and reproductive injury in high-dose animal studies; [MSDSonline] Danger of cutaneous absorption; Danger of skin sensitization; [MAK]

Exposure Assessment
MAK

0.1 ppm

Vapor Pressure

0.000556 mm Hg

Lethal Concentration

LCLo (rat) = 150 mg/m3/2h

Explanatory Notes

Flash Point = 128 deg C; [HSDB]

Adverse Effects
Skin Sensitizer

Yes

Toxic Pneumonitis

Yes

Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: