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
Specific Heat Capacity Cp(liquid):200.1J/(g·K),at 25℃
Sensitive  Hygroscopic
BRN  1633445
Henry's Law Constant 3.5×104 mol/(m3Pa) at 25℃, Burkholder et al. (2019)
Dielectric constant 30.0(30℃)
Cosmetics Ingredients Functions SOLVENT
Cosmetic Ingredient Review (CIR) 1,4-Butanediol (110-63-4)
InChI 1S/C4H10O2/c5-3-1-2-4-6/h5-6H,1-4H2
InChIKey WERYXYBDKMZEQL-UHFFFAOYSA-N
SMILES OCCCCO
LogP -0.88 at 25℃
Surface tension 45.33mN/m at 298.15K
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

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H336
Precautionary statements  P261-P264-P270-P271-P301+P312-P304+P340+P312
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
REACH Registrations Active
HS Code  29053980
Storage Class 10 - Combustible liquids
Hazard Classifications Acute Tox. 4 Oral
STOT SE 3
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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