4-methybenzophenone

Modify Date: 2026-08-03 09:37:44

4-methybenzophenone Structure
4-methybenzophenone structure
Common Name 4-methybenzophenone
CAS Number 134-84-9 Molecular Weight 196.245
Density 1.1±0.1 g/cm3 Boiling Point 328.1±11.0 °C at 760 mmHg
Molecular Formula C14H12O Melting Point 56.5-57 °C(lit.)
MSDS Chinese USA Flash Point 141.0±14.2 °C

Summary: 4-Methylbenzophenone (CAS: 134-84-9) is a white to pale yellow powder with a molecular formula of C14H12O and a molecular weight of 196.245. It is primarily used as a UV absorber and pharmaceutical intermediate, and also in UV-curable coatings and inks. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-Methylbenzophenone
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 328.1±11.0 °C at 760 mmHg
Melting Point 56.5-57 °C(lit.)
Molecular Formula C14H12O
Molecular Weight 196.245
Flash Point 141.0±14.2 °C
Exact Mass 196.088821
PSA 17.07000
LogP 3.64
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.576
InChIKey WXPWZZHELZEVPO-UHFFFAOYSA-N
SMILES Cc1ccc(C(=O)c2ccccc2)cc1

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ1750000
CHEMICAL NAME :
Benzophenone, 4-methyl-
CAS REGISTRY NUMBER :
134-84-9
LAST UPDATED :
199701
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C14-H12-O
MOLECULAR WEIGHT :
196.26
WISWESSER LINE NOTATION :
1R DVR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
250 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
Risk Phrases R22
Safety Phrases S24/25
RIDADR NONH for all modes of transport
WGK Germany 3
RTECS DJ1750000
HS Code 2914399090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

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%

 Articles1

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Nonsteroidal anti-inflammatory drugs and their analogues as inhibitors of aldo-keto reductase AKR1C3: new lead compounds for the development of anticancer agents.

Bioorg. Med. Chem. Lett. 15 , 5170-5, (2005)

Nonsteroidal anti-inflammatory drugs (NSAIDs) like indomethacin, flufenamic acid, and related compounds have been recently identified as potent inhibitors of AKR1C3. We report that some other NSAIDs (...

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

P-METHYLBENZOPHENONE
EINECS 205-159-1
4-Benzoyltoluene
para-methylbenzophenone
4-methybenzophenone
(4-Methylphenyl)(phenyl)methanone
4-MeC6H4COPh
(4-Methylphenyl)phenylmethanone
p-Phenyl tolyl ketone
4-Methylbenzophenone
Speedcure MBP
usafdo-54
4-methyl benzophenone
4-methyl-benzophenon
Phenyl(p-tolyl)methanone
methyl-p-benzophenon
P-BENZOYL TOLUENE
MFCD00008553

 4-methybenzophenone | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the InChIKey of 4-Methylbenzophenone?
A: InChIKey of 4-Methylbenzophenone is WXPWZZHELZEVPO-UHFFFAOYSA-N.
Q: What is the melting point of 4-Methylbenzophenone?
A: Melting point of 4-Methylbenzophenone is 56.5-57 °C(lit.).
Q: What is the molecular formula of 4-Methylbenzophenone?
A: Molecular formula of 4-Methylbenzophenone is C14H12O.
Q: What is the safety information for 4-Methylbenzophenone?
A: Safety information for 4-Methylbenzophenone: S24/25.
Q: What is the SMILES notation of 4-Methylbenzophenone?
A: SMILES notation of 4-Methylbenzophenone is Cc1ccc(C(=O)c2ccccc2)cc1.
Q: What is the boiling point of 4-Methylbenzophenone?
A: Boiling point of 4-Methylbenzophenone is 328.1±11.0 °C at 760 mmHg.
Q: What is the CAS number of 4-Methylbenzophenone?
A: CAS number of 4-Methylbenzophenone is 134-84-9.
Q: What English synonyms does 4-Methylbenzophenone have?
A: English synonyms of 4-Methylbenzophenone: P-METHYLBENZOPHENONE, EINECS 205-159-1, 4-Benzoyltoluene, para-methylbenzophenone, 4-methybenzophenone, (4-Methylphenyl)(phenyl)methanone, 4-MeC6H4COPh, (4-Methylphenyl)phenylmethanone, p-Phenyl tolyl ketone, 4-Methylbenzophenone, Speedcure MBP, usafdo-54, 4-methyl benzophenone, 4-methyl-benzophenon, Phenyl(p-tolyl)methanone, methyl-p-benzophenon, P-BENZOYL TOLUENE, MFCD00008553.
Q: What is the molecular weight of 4-Methylbenzophenone?
A: Molecular weight of 4-Methylbenzophenone is 196.245.
Q: What is the polar surface area (PSA) of 4-Methylbenzophenone?
A: Polar surface area (PSA) of 4-Methylbenzophenone is 17.07000.

 4-methybenzophenonefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Henan Tianfu Chemical Co., Ltd.
Zhongshan Xingrui Chemical Co. , Ltd.
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