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110-63-4

Name 1,4-Butanediol
CAS 110-63-4
EINECS(EC#) 203-786-5
Molecular Formula C4H10O2
MDL Number MFCD00002968
Molecular Weight 90.12
MOL File 110-63-4.mol

Chemical Properties

Appearance viscous colourless liquid
Melting point  16 °C (lit.)
Boiling point  230 °C (lit.)
density  1.017 g/mL at 25 °C(lit.)
vapor density  3.1 (vs air)
vapor pressure  <0.1 hPa (20 °C)
refractive index  n20/D 1.445(lit.)
Fp  135 °C
storage temp.  2-8°C
form  Liquid
pka 14.73±0.10(Predicted)
color  Clear colorless
Odor Odorless
PH 7-8 (500g/l, H2O, 20℃)
Stability: Stable. Combustible. Incompatible with strong oxidizing agents, mineral acids, acid chlorides, acid anhydrides.
explosive limit 1.95-18.3%(V)
Water Solubility  Miscible
Sensitive  Hygroscopic
BRN  1633445
Dielectric constant 30.0(30℃)
InChIKey WERYXYBDKMZEQL-UHFFFAOYSA-N
LogP -0.88 at 25℃
Uses
butylene glycol is a solvent with good antimicrobial action. It enhances the preservative activity of parabens. Butylene glycol also serves as a humectant and viscosity controller, and to mask odor.
CAS DataBase Reference 110-63-4(CAS DataBase Reference)
NIST Chemistry Reference 1,4-Butanediol(110-63-4)
EPA Substance Registry System 110-63-4(EPA Substance)

Safety Data

Hazard Codes  Xn
Risk Statements 
R22:Harmful if swallowed.
Safety Statements 
S36:Wear suitable protective clothing .
WGK Germany  1
RTECS  EK0525000
Autoignition Temperature 698 °F
TSCA  Yes
HS Code  29053980
Safety Profile
A human poison by an unspecified route. Moderately toxic byingestion and intraperitoneal routes. Human systemic effects: altered sleep time. Combustible when exposed to heat or flame. To fight fire, use alcohol foam, mist, foam, CO2, dry chemical. Incompatible with oxidizing materials. When heated to decomposition it emits acrid smoke and fumes.
Hazardous Substances Data 110-63-4(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 1525 mg/kg LD50 dermal Rabbit > 2000 mg/kg

Hazard Information

Material Safety Data Sheet(MSDS)

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