Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Phenyl-3-butyn-2-one
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Phenyl-3-butyn-2-one
Price: ￥508.0/1g ￥1538.0/5g
Purity: 97.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-phenyl-3-butyn-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1817-57-8

1817-57-8 structure

1817-57-8 structure

Name: 4-Phenyl-3-butyn-2-one
Chemical Name: 4-phenylbut-3-yn-2-one
CAS Number: 1817-57-8
Molecular Formula: C₁₀H₈O
Molecular Weight: 144.170
Create Date: 2018-08-30 17:11:21
Modify Date: 2025-08-25 10:53:36

Name	4-phenylbut-3-yn-2-one
Synonyms	1-acetyl-2-phenylacetylene MFCD00008776 methyl phenylethynyl ketone acetylphenyl-acetylene EINECS 217-327-1 1-Phenyl-1-butyn-3-one 4-phenylbut-3-yn-2-one 4-Phenyl-3-butyn-2-one methyl 2-phenylethynyl ketone 3-Butyn-2-one, 4-phenyl- 3-Butyn-2-one,4-phenyl

Density	1.1±0.1 g/cm3
Boiling Point	252.9±9.0 °C at 760 mmHg
Melting Point	4°C
Molecular Formula	C₁₀H₈O
Molecular Weight	144.170
Flash Point	95.0±0.0 °C
Exact Mass	144.057510
PSA	17.07000
LogP	2.74
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.550
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ES0890000

CHEMICAL NAME :: 3-Butyn-2-one, 4-phenyl-

CAS REGISTRY NUMBER :: 1817-57-8

BEILSTEIN REFERENCE NO. :: 0878583

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C10-H8-O

MOLECULAR WEIGHT :: 144.18

WISWESSER LINE NOTATION :: 1V1UU1R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 15,103,1981

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 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#05642

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S27-S37/39
RIDADR	UN 3334
WGK Germany	3
RTECS	ES0890000
HS Code	2914399090

Precursor 9
141-78-6 536-74-3 73922-81-3 108-24-7
622-76-4 75-36-5 75-91-2 5930-98-3
603-36-1
DownStream 10
10250-60-9 10250-58-5 6493-83-0 4767-01-5
64-19-7 93-55-0 65-85-0 93-91-4
1719-19-3 1159126-30-3

HS Code	2914399090
Summary	2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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