Phenylacetylene

Modify Date: 2025-08-20 20:20:31

Phenylacetylene structure	Common Name	Phenylacetylene
	CAS Number	536-74-3	Molecular Weight	102.133
	Density	1.0±0.1 g/cm3	Boiling Point	142.4±9.0 °C at 760 mmHg
	Molecular Formula	C₈H₆	Melting Point	-44.8 °C
	MSDS	N/A	Flash Point	31.1±0.0 °C

Name	Phenylacetylene
Synonym	More Synonyms

Density	1.0±0.1 g/cm3
Boiling Point	142.4±9.0 °C at 760 mmHg
Melting Point	-44.8 °C
Molecular Formula	C₈H₆
Molecular Weight	102.133
Flash Point	31.1±0.0 °C
Exact Mass	102.046951
LogP	2.40
Vapour Pressure	7.0±0.1 mmHg at 25°C
Index of Refraction	1.542
InChIKey	UEXCJVNBTNXOEH-UHFFFAOYSA-N
SMILES	C#Cc1ccccc1
Stability	Stable. Flammable. Incompatible with strong oxidizing agents, acids, halogens.
Water Solubility	INSOLUBLE

Phenylacetylene MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DA0780000

CHEMICAL NAME :: Benzene, ethynyl-

CAS REGISTRY NUMBER :: 536-74-3

LAST UPDATED :: 199710

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C8-H6

MOLECULAR WEIGHT :: 102.14

WISWESSER LINE NOTATION :: 1UU1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 10 mL/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - fibrosis, focal (pneumoconiosis) Lungs, Thorax, or Respiration - acute pulmonary edema Blood - hemorrhage

REFERENCE :: AMIHAB AMA Archives of Industrial Health. (Chicago, IL) V.11-21, 1955-60. For publisher information, see AEHLAU. Volume(issue)/page/year: 19,403,1959

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04866 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4674 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

Hazard Codes	Xn:Harmful;
Risk Phrases	R10;R36/37/38;R40;R65
Safety Phrases	S16-S26-S36/37/39-S45
RIDADR	UN 3295 3/PG 3
WGK Germany	1
RTECS	DA0780000
Packaging Group	III
Hazard Class	3
HS Code	2901100000

Precursor 9
CAS#:103-64-0 (2-Bromovinyl)b... CAS#:591-50-4 Iodobenzene CAS#:471-25-0 Propiolic acidd CAS#:2170-06-1 trimethylsilyle...
CAS#:1719-19-3 2-Methyl-4-phen... CAS#:588-73-8 Benzene, [(1Z)-... CAS#:102921-26-6 (1,2-dibromo-et... CAS#:98-81-7 alpha-Bromostyrene
CAS#:1066-54-2 TMS-acetylene
DownStream 10
CAS#:109270-32-8 1,2,3,3,6,6-hex... CAS#:109270-33-9 (3,3,4-trifluor... CAS#:109270-34-0 1-phenyl-4-tetr... CAS#:105797-57-7 2-butylselanyle...
CAS#:105821-97-4 (2-butylselanyl... CAS#:104953-92-6 2-ethylselanyle... CAS#:106726-94-7 2-methyl-4-phen... CAS#:103056-99-1 (4-METHOXYPHENY...
CAS#:108444-34-4 7-Methoxy-2-phe... CAS#:10562-83-1 2-phenylethenyl...

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

1-ethynylbenzene

phenyl acethylene

EINECS 208-645-1

1-phenylacetylene

MFCD00008570

phenyalcetylene

1-phenyleth-1-yne

N4-phenyl-phenylacetic acid semicarbazide

4-Phenyl-1-phenylacetyl-semicarbazid

1-Phenylacetyl-4-phenylsemicarbazid

Ethynylbenzene

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Phenylacetylene
Price: Check
Purity: 97.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Phenylacetylene
Price: ￥228.0/100ml ￥78.0/25ml ￥858.0/500ml
Purity: 97.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Phenylacetylene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Phenylacetylene with good quality
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

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Phenylacetylene

Names

Chemical & Physical Properties

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

Safety Information

Synthetic Route

Precursor & DownStream

Customs

Synonyms

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.