Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Crotonic anhydride
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

623-68-7

623-68-7 structure

Name: (2E)-2-Butenoic anhydride
Chemical Name: Crotonic Anhydride
CAS Number: 623-68-7
Molecular Formula: C₈H₁₀O₃
Molecular Weight: 154.163
Catalog: Organic raw materials Carboxylic compounds and derivatives Halogenation, sulfonation, nitration or nitration of carboxylic anhydrides
Create Date: 2018-07-03 11:22:22
Modify Date: 2024-01-05 00:34:29

Name	Crotonic Anhydride
Synonyms	Crotonic anhydride EINECS 210-807-1 (2E)-2-Butenoic anhydride MFCD00009286 (2E)-But-2-enoic anhydride

Density	1.0±0.1 g/cm3
Boiling Point	247.0±9.0 °C at 760 mmHg
Melting Point	72ºC
Molecular Formula	C₈H₁₀O₃
Molecular Weight	154.163
Flash Point	110.6±0.0 °C
Exact Mass	154.062988
PSA	43.37000
LogP	1.76
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.465

CHEMICAL IDENTIFICATION

RTECS NUMBER :: GQ6125000

CHEMICAL NAME :: Crotonic anhydride

CAS REGISTRY NUMBER :: 623-68-7

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C8-H10-O3

MOLECULAR WEIGHT :: 154.18

WISWESSER LINE NOTATION :: 2U1VOV1U2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Open irritation test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2830 mg/kg

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

REFERENCE :: AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 23,95,1962

Hazard Codes	C: Corrosive;
Risk Phrases	R34
Safety Phrases	S26-S36/37/39-S45
RIDADR	UN 3265 8/PG 3
WGK Germany	3
RTECS	GQ6125000
Packaging Group	III
Hazard Class	8
HS Code	2916190090

107-93-7

~98%

623-68-7

Literature: Isobe, Toshio; Ishikawa, Tsutomu Journal of Organic Chemistry, 1999 , vol. 64, # 19 p. 6984 - 6988

123-73-9

623-68-7

Literature: DE694699 , ; Fortschr. Teerfarbenfabr. Verw. Industriezweige, vol. 25, p. 71

674-82-8

3724-65-0

623-68-7

Literature: US2476859 , ;

3724-65-0

623-68-7

Literature: American Chemical Journal, , vol. 29, p. 189

107-93-7

6443-91-0

623-68-7

Literature: Journal of the Chemical Society, , p. 1860,1864

107-93-7

927-80-0

623-68-7

Literature: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B: Physical Sciences, , vol. 53, p. 1163,1166

625-35-4

623-68-7

Literature: Chemische Berichte, , vol. 42, p. 915 Chemische Berichte, , vol. 42, p. 1854

10487-71-5

121-44-8

71-43-2

623-68-7

Literature: Justus Liebigs Annalen der Chemie, , vol. 378, p. 283

60-29-7

107-93-7

927-80-0

623-68-7

Literature: Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series B: Physical Sciences, , vol. 53, p. 1163,1166

Precursor 10
107-93-7 123-73-9 674-82-8 3724-65-0
6443-91-0 927-80-0 625-35-4 10487-71-5
121-44-8 71-43-2
DownStream 10
90719-30-5 50888-73-8 74-99-7 27819-09-6
100127-06-8 79-00-5 187737-37-7 592-46-1
10141-07-8 109299-92-5

HS Code	2916190090
Summary	2916190090 unsaturated acyclic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:6.5%。general tariff:30.0%

623-68-7	14316-68-8
73545-15-0	5926-51-2
960006-02-4	65221-11-6
122135-84-6	88977-32-6
107-93-7	19041-17-9