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

Suppliers

Names

[ CAS No. ]:
142-30-3

[ Name ]:
2,5-Dimethyl-3-hexyne-2,5-diol

[Synonym ]:
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

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)

MSDS

Click to get detail MSDS

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

[ 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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Acetone
  • Acetylene
  • 3-Methyl butynol
  • isobutanol
  • tetramethylbutatriene(hexacarbonyl)diirion
  • Calcium carbide
  • 2,5-dibromo-2,5-dimethyl-3-hexyne
  • acetylene-bis-magnesium bromide
  • Methanol
  • carbon monoxide

DownStream

  • cis-2,5-dimethyl-3-hexene
  • trans-Diisopropylethylene
  • 2,5-Dimethylhexa-2,4-dien
  • 2-Hexanol,2,5-dimethyl-
  • 2,5-Dimethyl-2,5-hexanediol
  • 2,5-DIMETHYLHEXANE
  • 2,5-dimethoxy-2,5-dimethylhex-3-yne
  • 2,5-dimethylhexa-1,5-dien-3-yne
  • 2-Hydroxyisobutyric acid
  • Formic Acid

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%

Related Compounds

  • 2,5-dimethyl-3,6-diphenyl-[1,4]dithiane-2,5-diol
  • 1,1,1,6,6,6-hexafluoro-2,5-bis(trifluoromethyl)-3-hexyne-2,5-diol
  • 2,5-Dimethyl-3,4-hexanediol
  • 2,5-dimethyl-3,4-diphenyl-hexane-3,4-diol
  • 2,5-dimethyl-3,4-di-iso-propyl-3,4-hexanediol
  • 2,5-dimethyl-3,4-diphenylselenolane-3,4-diol
  • 3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-[4-(5-methyl-1,3,4-thiadiazol-2-yl)piperazin-1-yl]pyridazine
  • 4-(3,5-dimethyl-1H-pyrazol-1-yl)-6-[4-(5-methylpyrimidin-2-yl)piperazin-1-yl]pyrimidine
  • N,N-dimethyl-4-{[2-(3-methylphenoxy)acetamido]methyl}piperidine-1-carboxamide
  • N-methyl-N-{5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl}-1-(pyrazin-2-yl)azetidin-3-amine
  • N-{2-[6-oxo-3-(trifluoromethyl)-1,6-dihydropyridazin-1-yl]ethyl}-4-sulfamoylbenzamide
  • N-{2-[6-oxo-3-(trifluoromethyl)-1,6-dihydropyridazin-1-yl]ethyl}-1-(propan-2-yl)-1H-imidazole-4-sulfonamide
  • 2,4-dimethyl-6-{4-[6-(1H-pyrazol-1-yl)pyrimidin-4-yl]piperazin-1-yl}pyrimidine
  • N-(1-Pyridin-2-ylazetidin-3-yl)quinazolin-4-amine
  • 4,6-Difluoro-N-methyl-N-(1-pyrazin-2-ylazetidin-3-yl)-1,3-benzothiazol-2-amine
  • 2-methoxy-5-methyl-N-{[1-(thiophen-3-yl)cyclopropyl]methyl}benzene-1-sulfonamide
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.