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1,2-BUTANEDIOL

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1,2-BUTANEDIOL

EINECS
CAS No. 584-03-2 Density 1.001g/cm3
Solubility Melting Point -50 °C
Formula C4H10 O2 Boiling Point 191-192 °C747 mm Hg(lit.)
Molecular Weight 90.14 Flash Point 93.3°C
Transport Information Appearance
Safety Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. When heated to decomposition it emits acrid and irritating fumes. Risk Codes
Molecular Structure Molecular Structure of 584-03-2 (1,2-Butanediol) Hazard Symbols
Synonyms

(?à)-Butane-1,2-diol; 1,2-Butyleneglycol; 1,2-Dihydroxybutane; DL-1,2-Butanediol; NSC 24242

 

1,2-BUTANEDIOL Chemical Properties

MF: C4H10O2
MW: 90.12
EINECS: 209-527-2
mp:  -50 °C 
bp:  191-192 °C747 mm Hg(lit.)
density:  1.006 g/mL at 25 °C(lit.)
refractive index:  n20/D 1.438(lit.)
Fp:  200 °F
CAS DataBase Reference: 584-03-2(CAS DataBase Reference)
The structure of 1,2-BUTANEDIOL is:

             

1,2-BUTANEDIOL Toxicity Data With Reference

1、RTECS#: CAS# 584-03-2: EK0380000
2、LD50/LC50: RTECS: CAS# 584-03-2: Oral, mouse: LD50 = 3720 mg/kg;Oral, rat: LD50 = 16 gm/kg;
3、Carcinogenicity: 1,2-Butanediol - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated. 

 

       
       

1,2-BUTANEDIOL Consensus Reports

1,2-BUTANEDIOL is reported in EPA TSCA Inventory.

1,2-BUTANEDIOL Safety Profile

Safety Statements:  24/25
WGK Germany:  2
RTECS:  EK0380000
 Moderately toxic by ingestion. Combustible when exposed to heat or flame. To fight fire, use alcohol foam. When heated to decomposition it emits acrid and irritating fumes.

1,2-BUTANEDIOL Specification

1、Fire Fighting Measures of 1,2-BUTANEDIOL
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. 
Extinguishing Media: In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. 
2、Handling and Storage of 1,2-BUTANEDIOL 
Handling: Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. 
Storage: Store in a cool, dry place. Keep container closed when not in use. 

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