Propyne

Modify Date: 2024-01-02 18:08:32

Propyne structure	Common Name	Propyne
	CAS Number	74-99-7	Molecular Weight	40.06390
	Density	0.648 g/cm3	Boiling Point	−23.2 °C(lit.)
	Molecular Formula	C₃H₄	Melting Point	−102.7 °C(lit.)
	MSDS	Chinese USA	Flash Point	-51 °C
	Symbol	GHS02, GHS04, GHS07	Signal Word	Danger

Name	propyne
Synonym	More Synonyms

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

Propyne MSDS(Chinese)

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)

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

Precursor 10
CAS#:590-14-7 1-bromopropene CAS#:115-11-7 Isobutylene CAS#:123-38-6 Propionaldehyde CAS#:67-64-1 Acetone
CAS#:124-38-9 Carbon dioxide CAS#:78-75-1 UNII:FGB8O5N903 CAS#:616-02-4 Citraconic anhydride CAS#:1066-26-8 sodium acetylide
CAS#:77-78-1 Dimethyl sulfate CAS#:2170-03-8 Itaconic anhydride
DownStream 10
CAS#:10486-71-2 sodium,prop-1-yne CAS#:106756-97-2 non-2-yn-4-ol CAS#:13752-78-8 but-2-ynenitrile CAS#:1001-56-5 buta-2,3-dienen...
CAS#:557-98-2 2-chloropropene CAS#:594-20-7 2,2-DICHLOROPROPANE CAS#:2983-78-0 trans-1,3-Dichl... CAS#:2983-77-9 cis-1,3-Dichlor...
CAS#:598-53-8 2-Methoxy Propane CAS#:557-17-5 Methyl n-propyl...

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%

Synthesis and structure-activity relationship studies of 1,3-diarylprop-2-yn-1-ones: dual inhibitors of cyclooxygenases and lipoxygenases.

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...

prop-1-yne

EINECS 200-828-4

Propyne

Propine

CH3CequivCH

ALLYLENE

Methylacetylene

MFCD00036235

1-PROPYNE

propargyl acid

Henan Tianfu Chemical Co., Ltd.
China
Product Name: CAS74-99-7 propyne
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

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