methylpentynol

Suppliers

Names

[ CAS No. ]:
77-75-8

[ Name ]:
methylpentynol

[Synonym ]:
Dormison
3-Methylpent-1-yn-3-ol
Meparfynol
methylpentynol
MFCD00004479
Methylparafynol
3-Methyl-1-pentyn-3-ol
EINECS 201-055-5
1-Pentyn-3-ol, 3-methyl-
Atemorin

Chemical & Physical Properties

[ Density]:
0.9±0.1 g/cm3

[ Boiling Point ]:
120.5±8.0 °C at 760 mmHg

[ Melting Point ]:
-30ºC

[ Molecular Formula ]:
C6H10O

[ Molecular Weight ]:
98.143

[ Flash Point ]:
26.7±0.0 °C

[ Exact Mass ]:
98.073166

[ PSA ]:
20.23000

[ LogP ]:
0.85

[ Vapour density ]:
3 (vs air)

[ Vapour Pressure ]:
7.3±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.448

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SC4900000
CHEMICAL NAME :
1-Pentyn-3-ol, 3-methyl-
CAS REGISTRY NUMBER :
77-75-8
BEILSTEIN REFERENCE NO. :
0969340
LAST UPDATED :
199701
DATA ITEMS CITED :
5
MOLECULAR FORMULA :
C6-H10-O
MOLECULAR WEIGHT :
98.16
WISWESSER LINE NOTATION :
QX2&1&1UU1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
537 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
BJPCAL British Journal of Pharmacology and Chemotherapy. (London, UK) V.1-33, 1946-68. For publisher information, see BJPCBM. Volume(issue)/page/year: 11,20,1956
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
525 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
PSCBAY Psychopharmacology Service Center, Bulletin. (Bethesda, MD) V.1-3, 1961-65. For publisher information, see PSYBB9. Volume(issue)/page/year: 2,17,1963
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
525 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
AEPPAE Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. (Berlin, Ger.) V.110-253, 1925-66. For publisher information, see NSAPCC. Volume(issue)/page/year: 218,427,1953
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
284 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold
REFERENCE :
YKKZAJ Yakugaku Zasshi. Journal of Pharmacy. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) No.1- 1881- Volume(issue)/page/year: 76,181,1956

Safety Information

[ Hazard Codes ]:
F+:Highlyflammable;

[ Risk Phrases ]:
R10;R22;R51/53

[ Safety Phrases ]:
S61

[ RIDADR ]:
UN 1987

[ WGK Germany ]:
1

[ RTECS ]:
SC4900000

[ Packaging Group ]:
I; II; III

[ HS Code ]:
29052990

Synthetic Route

Precursor & DownStream

Precursor

  • 2-Butanone
  • Acetylene
  • Bromo(ethynyl)magnesium
  • lithium acetylide-ethylenediamine complex
  • sodium acetylide
  • 3-chloro-3-methylpent-1-yne
  • UNII:GFO2D7A38Q
  • Water

DownStream

  • 3-methylpent-1-yn-3-yl 2-chloro-2-phenylacetate
  • 1-bromo-3-methylpenta-1,2-diene
  • (E)-3-Methyl-1,3-pentadiene
  • 1H-Tridecafluorohexane
  • 1H-Perfluorooct-1-yne
  • 3-methyl-3-penten-2-ol
  • 3-chloro-3-methylpent-1-yne
  • 1-chloro-3-methyl-penta-1,2-diene
  • 1-Penten-3-ol,3-methyl-

Customs

[ HS Code ]: 29052990