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2,5-Dimethyl-3-hexyne-2,5-diol

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Origin: China

Cas No: 142-30-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 142-30-3 Formula: C8H14O2 Molecular Weight: 142.19600

Basic Info

Chemical Name	2,5-Dimethyl-3-hexyne-2,5-diol
Synonyms	2,5-Dihydroxy-2,5-dimethyl-3-hexyne; 3-Hexyne-2,5-diol, 2,5-dimethyl-; 2,5-dimethylhex-3-yne-2,5-diol; 2,5-Dimethylhex-3-ene-2,5-diol;
CAS No.	142-30-3
Molecular Formula	C8H14O2
Molecular Weight	142.19600
PSA	40.46000
LogP	0.53160

Properties

Appearance & Physical State	off-white to yellow crystalline powder
Density	1.023 g/cm3
Boiling Point	121-123ºC (7 mmHg)
Melting Point	89ºC
Flash Point	102ºC
Refractive Index	1.4545 (20ºC)
Water Solubility	240 g/L (20 ºC)
Stability	Stable under normal temperatures and pressures.
Storage Condition	Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	0.0611mmHg at 25°C

Safety Info

RTECS	MR0176000
Safety Statements	S24/25
HS Code	29053980
WGK Germany	3
Risk Statements	R42/43
Hazard Codes	Xn
Caution Statement	P261; P280; P342 + P311
Hazard Declaration	H317; H334
Symbol	GHS08
Signal Word	Danger

Synthesis Route

2,5-dibromo-2,5-dimethyl-3-hexyne→2-hydroxyisobutyric acid+acetic acid
Diethyl ether+2-Hydroxy-2-methyl-4-phenyl-3-butyne→Phenylacetylene+2,5-Dimethyl-3-hexyne-2,5-diol
acetone+acetylene→2-Methyl-3-butyn-2-ol+2,5-Dimethyl-3-hexyne-2,5-diol

Toxicity