Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Ethynyltoluene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Ethynyltoluene
Price: ￥138.0/5g ￥458.0/25g
Purity: 98.0%
Stocking Period: 1 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Ethynyltoluene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4-Methylphenylacetylene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

766-97-2

766-97-2 structure

766-97-2 structure

Name: 4-Ethynyltoluene
Chemical Name: 4-Ethynyltoluene
CAS Number: 766-97-2
Molecular Formula: C₉H₈
Molecular Weight: 116.160
Catalog: Chemical reagent Organic reagent Alkyne
Create Date: 2018-02-19 08:00:00
Modify Date: 2025-08-22 08:30:25

Name	4-Ethynyltoluene
Synonyms	Benzene, 1-ethynyl-4-methyl- p-ethynyltoluene 4-Ethynyltoluene 4-Methylphenylacetylene 1-Ethynyl-4-methylbenzene MFCD00008571

Density	0.9±0.1 g/cm3
Boiling Point	164.1±19.0 °C at 760 mmHg
Melting Point	168-170
Molecular Formula	C₉H₈
Molecular Weight	116.160
Flash Point	48.9±0.0 °C
Exact Mass	116.062599
LogP	2.86
Vapour Pressure	2.6±0.1 mmHg at 25°C
Index of Refraction	1.534
Storage condition	Keep Cold

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XT2570000

CHEMICAL NAME :: Toluene, p-ethynyl-

CAS REGISTRY NUMBER :: 766-97-2

BEILSTEIN REFERENCE NO. :: 0969653

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H8

MOLECULAR WEIGHT :: 116.17

WISWESSER LINE NOTATION :: 1UU1R D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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#05936

Hazard Codes	Xi:Irritant;
Risk Phrases	R10;R36/37/38
Safety Phrases	S16-S26-S27-S36/37/39
RIDADR	UN 3295 3/PG 3
WGK Germany	3
RTECS	XT2570000
Packaging Group	III
Hazard Class	3
HS Code	2902909090

Precursor 10
624-31-7 471-25-0 4186-14-5 1066-54-2
33458-08-1 122-00-9 4301-14-8 60512-56-3
79756-91-5 106-38-7
DownStream 8
37009-57-7 55-21-0 4714-21-0 1505-50-6
938-94-3 33491-04-2 4974-59-8 75348-68-4

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%

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.