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

4756-45-0

4756-45-0 structure

Name: Benzoic acid,2-(2-hydroxy-4-methoxybenzoyl)-
Chemical Name: 2-(2-hydroxy-4-methoxybenzoyl)benzoic acid
CAS Number: 4756-45-0
Molecular Formula: C₁₅H₁₂O₅
Molecular Weight: 272.25300
Create Date: 2016-10-26 01:10:34
Modify Date: 2025-09-18 18:41:48

Name	2-(2-hydroxy-4-methoxybenzoyl)benzoic acid
Synonyms	Cyasorb Cyasorb UV 207 EINECS 225-290-8 2'-carboxy-2-hydroxy-4-methoxybenzophenone

Density	1.344g/cm3
Boiling Point	503.7ºC at 760mmHg
Molecular Formula	C₁₅H₁₂O₅
Molecular Weight	272.25300
Flash Point	192.9ºC
Exact Mass	272.06800
PSA	83.83000
LogP	2.33000
Index of Refraction	1.624

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DH2395000

CHEMICAL NAME :: Benzoic acid, o-(2-hydroxy-4-methoxybenzoyl)-

CAS REGISTRY NUMBER :: 4756-45-0

BEILSTEIN REFERENCE NO. :: 2658577

LAST UPDATED :: 199712

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C15-H12-O5

MOLECULAR WEIGHT :: 272.27

WISWESSER LINE NOTATION :: QVR BVR BQ DO1

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 :: 320 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#01618 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X7414 No. of Facilities: 36 (estimated) No. of Industries: 2 No. of Occupations: 6 No. of Employees: 905 (estimated) No. of Female Employees: 56 (estimated)

HS Code	2918990090

61959-31-7

4756-45-0

Literature: Dufraisse; Allais; Robert Bulletin de la Societe Chimique de France, 1947 , p. 701,703, 704

85-44-9

4756-45-0

Literature: Perkin; Robinson Journal of the Chemical Society, 1908 , vol. 93, p. 513

151-10-0

4756-45-0

Literature: Perkin; Robinson Journal of the Chemical Society, 1908 , vol. 93, p. 513

121715-17-1

4756-45-0

Literature: Johnson; Robertson Journal of the Chemical Society, 1950 , p. 2381,2386

61959-31-7

10034-85-2

4756-45-0

Literature: Perkin; Robinson Journal of the Chemical Society, 1908 , vol. 93, p. 513

85-44-9

151-10-0

~5%

4756-45-0

61959-31-7

Literature: Arnoldi, Anna; Bassoli, Angela; Borgonovo, Gigliola; Merlini, Lucio; Morini, Gabriella Journal of Agricultural and Food Chemistry, 1997 , vol. 45, # 6 p. 2047 - 2054

85-44-9

151-10-0

4756-45-0

Literature: Desai; Figueredo Proceedings - Indian Academy of Sciences, Section A, 1941 , vol. 14, p. 605,607

95280-86-7

4756-45-0

Literature: Johnson; Robertson Journal of the Chemical Society, 1950 , p. 2381,2386

85-44-9

150-19-6

4756-45-0

Literature: Desai; Figueredo Proceedings - Indian Academy of Sciences, Section A, 1941 , vol. 14, p. 605,607

Precursor 6
85-44-9 151-10-0 61959-31-7 121715-17-1
150-19-6 10034-85-2
DownStream 0

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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