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

Modify Date: 2024-01-16 17:26:20

2,5-Dimethyl-3-hexyne-2,5-diol Structure
2,5-Dimethyl-3-hexyne-2,5-diol structure
Common Name 2,5-Dimethyl-3-hexyne-2,5-diol
CAS Number 142-30-3 Molecular Weight 142.196
Density 1.0±0.1 g/cm3 Boiling Point 205.0±8.0 °C at 760 mmHg
Molecular Formula C8H14O2 Melting Point 90-94 °C(lit.)
MSDS Chinese USA Flash Point 86.0±13.0 °C
Symbol GHS08
GHS08
Signal Word Danger

 Names

Name 2,5-Dimethyl-3-hexyne-2,5-diol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 205.0±8.0 °C at 760 mmHg
Melting Point 90-94 °C(lit.)
Molecular Formula C8H14O2
Molecular Weight 142.196
Flash Point 86.0±13.0 °C
Exact Mass 142.099380
PSA 40.46000
LogP 0.29
Vapour Pressure 0.1±0.9 mmHg at 25°C
Index of Refraction 1.489
Water Solubility 240 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
MR0176000
CHEMICAL NAME :
3-Hexyne-2,5-diol, 2,5-dimethyl-
CAS REGISTRY NUMBER :
142-30-3
LAST UPDATED :
199712
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C8-H14-O2
MOLECULAR WEIGHT :
142.22

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>500 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CBCCT* "Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. (National Academy of Science Library, 2101 Constitution Ave., NW, Washington, DC 20418) Volume(issue)/page/year: 4,378,1952

 Safety Information

Symbol GHS08
GHS08
Signal Word Danger
Hazard Statements H317-H334
Precautionary Statements P261-P280-P342 + P311
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes Xn
Risk Phrases R42/43
Safety Phrases S7-S36-S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS MR0176000
HS Code 29053980

 Synthetic Route

 Customs

HS Code 2905399090
Summary 2905399090 other diols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0%

 Synonyms

QX1&1&1UU1XQ1&1
2,5-Dimethylhex-3-yne-2,5-diol
2,5-Dimethylhexyne-2,5-diol
EINECS 205-533-4
2,5-Dimethyl-3-hexyne-2,5-diol
2,5-Dimethylhex-3-ene-2,5-diol
2,5-Dihydroxy-2,5-dimethyl-3-hexyne
MFCD00004468
3-Hexyne-2,5-diol, 2,5-dimethyl-
HD-M
2,5-Dimethyl-2,5-hexynediol