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1,3-Butanediol CAS#107-88-0

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Chemical Name：1,3-Butanediol

CAS No.107-88-0

Molecular Formula：C4H10O2

Molecular weight:90.12

Sample: Available

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Product Details

Products Description of 1,3-Butanediol CAS#107-88-0

Transparent colorless hygroscopic viscous liquid with a weak special taste. Almost odorless. Boiling point 207.5℃, relative density (4:1.0059, refractive index (nD20) 1.4401, freezing point <-50℃, flash point 121.1℃. Has a certain antibacterial effect. Miscible in water, acetone, soluble in ether.

1,3-Butanediol Chemical Properties

Melting point	-54 °C
Boiling point	203-204 °C(lit.)
density	1.005 g/mL at 25 °C(lit.)
vapor density	3.1 (20 °C, vs air)
vapor pressure	0.06 mm Hg ( 20 °C)
refractive index	n20/D 1.44(lit.)
Fp	250 °F
storage temp.	Store below +30°C.
solubility	>500g/lMiscible
form	Liquid
pka	14.83±0.20(Predicted)
color	Clear colorless to yellow, may discolor to brown on storage
Specific Gravity	1.004 – 1.007
Odor	odorless
PH Range	6 - 7 at 20 °C
PH	6.1 (500g/l, H2O, 20℃)
explosive limit	1.9-12.6%(V)
Water Solubility	SOLUBLE
Sensitive	Hygroscopic
Merck	14,1567
BRN	1731276
Stability:	Stable. Flammable. Hygroscopic - protect from air and moisture. Incompatible with strong oxidizing agents.
LogP	-0.9 at 25℃
CAS DataBase Reference	107-88-0(CAS DataBase Reference)
NIST Chemistry Reference	1,3-Butanediol(107-88-0)
EPA Substance Registry System	1,3-Butylene glycol (107-88-0)

Safety Information

Safety Statements	24/25
WGK Germany	1
RTECS	EK0440000
F	3
Autoignition Temperature	741 °F
TSCA	Yes
HS Code	29053920
Hazardous Substances Data	107-88-0(Hazardous Substances Data)
Toxicity	LD50 orally in Rabbit: 18610 mg/kg LD50 dermal Rabbit > 20000 mg/kg

Product Application of 1,3-Butanediol CAS#107-88-0

1,3-Butanediol has the characteristics of diol reactivity, odorlessness, low toxicity, and good water solubility. It can be used in the following main aspects:

1. As a raw material for polyester resin and alkyd resin, the unsaturated polyester prepared by mixing 1,3-butanediol or ethylene glycol has good water resistance, softness and impact resistance.

2. As a raw material for plasticizers, the polyester plasticizer prepared by 1,3-butanediol and dibasic acid (adipic acid) has low volatility, migration resistance, soap water resistance, solvent resistance and oil resistance.

3. As a raw material for polyurethane coatings, as a raw material for saturated polyester for polyurethane coatings, the resulting product can obtain good water resistance in unpainted paint, which is better than the effect of using other diols.

4. As a wetting agent and softener 1,3-butanediol has excellent moisture retention and low toxicity. After being made into esters, it can be used as a wetting and softening agent for cigarettes, celluloid, vinylon films, paper and fibers.

5. As a solvent for fine chemicals, it can be used in the formulation of lotions, ointments, creams and toothpastes. 1,3-Butanediol is also an intermediate for medicines and dyes.

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