Propyne
Names
[ CAS No. ]:
74-99-7
[ Name ]:
Propyne
[Synonym ]:
prop-1-yne
EINECS 200-828-4
Propyne
Propine
CH3CequivCH
ALLYLENE
Methylacetylene
MFCD00036235
1-PROPYNE
propargyl acid
Chemical & Physical Properties
[ Density]:
0.648 g/cm3
[ Boiling Point ]:
−23.2 °C(lit.)
[ Melting Point ]:
−102.7 °C(lit.)
[ Molecular Formula ]:
C3H4
[ Molecular Weight ]:
40.06390
[ Flash Point ]:
-51 °C
[ Exact Mass ]:
40.03130
[ LogP ]:
0.63950
[ Appearance of Characters ]:
gas
[ Vapour Pressure ]:
204.6 mm Hg ( −49.5 °C)
[ Index of Refraction ]:
1.363
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- UK4250000
- CHEMICAL NAME :
- Propyne
- CAS REGISTRY NUMBER :
- 74-99-7
- BEILSTEIN REFERENCE NO. :
- 0878138
- LAST UPDATED :
- 199712
- DATA ITEMS CITED :
- 29
- MOLECULAR FORMULA :
- C3-H4
- MOLECULAR WEIGHT :
- 40.07
- WISWESSER LINE NOTATION :
- 2UU1
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LC - Lethal concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >42000 ppm/6H
- TOXIC EFFECTS :
- Behavioral - general anesthetic Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 28700 ppm/6H/26W-I
- TOXIC EFFECTS :
- Behavioral - general anesthetic Lungs, Thorax, or Respiration - other changes Related to Chronic Data - death
- TYPE OF TEST :
- TCLo - Lowest published toxic concentration
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Mammal - dog
- DOSE/DURATION :
- 28700 ppm/6H/26W-I
- TOXIC EFFECTS :
- Sense Organs and Special Senses (Eye) - mydriasis (pupillary dilation) Behavioral - general anesthetic Gastrointestinal - changes in structure or function of salivary glands
MUTATION DATA
- TYPE OF TEST :
- Mutation in microorganisms
- TEST SYSTEM :
- Bacteria - Escherichia coli
- REFERENCE :
- MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 307,335,1994 *** REVIEWS *** ACGIH TLV-TWA 1640 mg/m3 (1000 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 1000 ppm (1650 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,153,1971 OSHA PEL (Gen Indu):8H TWA 1000 ppm (1650 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 1000 ppm (1650 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 1000 ppm (1650 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 1000 ppm (1650 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 1000 ppm (1650 mg/m3);STEL 1250 ppm JAN 1993 OEL-BELGIUM:TWA 1000 ppm (1640 mg/m3);STEL 1250 ppm (2050 mg/m3) JAN 1993 OEL-DENMARK:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-FINLAND:TWA 1000 ppm (1650 mg/m3);STEL 1250 ppm (2065 mg/m3) JAN 1993 OEL-FRANCE:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-GERMANY:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL-TURKEY:TWA 1000 ppm (1650 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO METHYL ACETYLENE-air:10H TWA 1000 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 46435 No. of Facilities: 311 (estimated) No. of Industries: 9 No. of Occupations: 13 No. of Employees: 5033 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 46435 No. of Facilities: 3 (estimated) No. of Industries: 1 No. of Occupations: 7 No. of Employees: 119 (estimated) No. of Female Employees: 6 (estimated)
Safety Information
[ Symbol ]:
GHS02, GHS04, GHS07
[ Signal Word ]:
Danger
[ Hazard Statements ]:
H220-H280-H335
[ Precautionary Statements ]:
P210-P304 + P340 + P312-P377-P381-P410 + P403
[ Personal Protective Equipment ]:
Eyeshields;Faceshields;Gloves;half-mask respirator (US);multi-purpose combination respirator cartridge (US)
[ Hazard Codes ]:
F:Flammable;Xi:Irritant;
[ Risk Phrases ]:
R11;R37
[ Safety Phrases ]:
S16-S36-S38
[ RIDADR ]:
UN 1954 2.1
[ WGK Germany ]:
-
[ RTECS ]:
UK4250000
[ Hazard Class ]:
2.1
[ HS Code ]:
2901299090
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Customs
[ HS Code ]: 2901299090
[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%
Articles
J. Med. Chem. 49 , 1668-83, (2006)
A group of 1,3-diarylprop-2-yn-1-ones (13, 17, 23, 26 and 27) possessing a C-3 p-SO2Me COX-2 pharmacophore were designed, synthesized and evaluated as potential dual inhibitors of cyclooxygenase-1/2 (...
Synthesis and biological evaluation of 1,3-diphenylprop-2-yn-1-ones as dual inhibitors of cyclooxygenases and lipoxygenases.Bioorg. Med. Chem. Lett. 15 , 4842-5, (2005)
A new class of 1,3-diphenylprop-2-yn-1-ones possessing a p-MeSO2 COX-2 phamacophore on the C-3 phenyl ring was designed for evaluation as dual inhibitors of cyclooxygenase (COX) and lipoxygenase (LOX)...
Indene formation under single-collision conditions from the reaction of phenyl radicals with allene and methylacetylene--a crossed molecular beam and ab initio study.Chem. Asian J. 6(11) , 3035-47, (2011)
Polycyclic aromatic hydrocarbons (PAHs) are regarded as key intermediates in the molecular growth process that forms soot from incomplete fossil fuel combustion. Although heavily researched, the react...