4-nitrosotoluene

Modify Date: 2026-08-02 15:46:31

4-nitrosotoluene Structure
4-nitrosotoluene structure
Common Name 4-nitrosotoluene
CAS Number 623-11-0 Molecular Weight 121.137
Density 1.0±0.1 g/cm3 Boiling Point 196.2±19.0 °C at 760 mmHg
Molecular Formula C7H7NO Melting Point N/A
MSDS N/A Flash Point 72.9±26.8 °C

 Names

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

Name 1-methyl-4-nitrosobenzene
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 1.0±0.1 g/cm3
Boiling Point 196.2±19.0 °C at 760 mmHg
Molecular Formula C7H7NO
Molecular Weight 121.137
Flash Point 72.9±26.8 °C
Exact Mass 121.052765
PSA 29.43000
LogP 2.47
Vapour Pressure 0.6±0.4 mmHg at 25°C
Index of Refraction 1.524

 Toxicological Information

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

CHEMICAL IDENTIFICATION

RTECS NUMBER :
XT3410000
CHEMICAL NAME :
Toluene, p-nitroso-
CAS REGISTRY NUMBER :
623-11-0
BEILSTEIN REFERENCE NO. :
1854613
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C7-H7-N-O
MOLECULAR WEIGHT :
121.15

 Safety Information

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

HS Code 2904202000

 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 2904202000
Summary 2904202000 1-methyl-4-nitrobenzene。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%

 Synonyms

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

TOLUENE,p-NITROSO
p-methylnitrosobenzene
1-Methyl-4-nitrosobenzene
p-Nitrosotoluene
Benzene,1-methyl-4-nitroso
4-nitrosotoluene
EINECS 210-771-7

 4-nitrosotoluene | FAQ

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

Q: What is the boiling point of 1-methyl-4-nitrosobenzene?
A: Boiling point of 1-methyl-4-nitrosobenzene is 196.2±19.0 °C at 760 mmHg.
Q: What is the polar surface area (PSA) of 1-methyl-4-nitrosobenzene?
A: Polar surface area (PSA) of 1-methyl-4-nitrosobenzene is 29.43000.
Q: What is the English name of 1-methyl-4-nitrosobenzene?
A: The English name of 1-methyl-4-nitrosobenzene is 1-methyl-4-nitrosobenzene.
Q: What English synonyms does 1-methyl-4-nitrosobenzene have?
A: English synonyms of 1-methyl-4-nitrosobenzene: TOLUENE,p-NITROSO, p-methylnitrosobenzene, 1-Methyl-4-nitrosobenzene, p-Nitrosotoluene, Benzene,1-methyl-4-nitroso, 4-nitrosotoluene, EINECS 210-771-7.
Q: What is the molecular formula of 1-methyl-4-nitrosobenzene?
A: Molecular formula of 1-methyl-4-nitrosobenzene is C7H7NO.
Q: What is the LogP of 1-methyl-4-nitrosobenzene?
A: LogP of 1-methyl-4-nitrosobenzene is 2.47.
Q: What is the molecular weight of 1-methyl-4-nitrosobenzene?
A: Molecular weight of 1-methyl-4-nitrosobenzene is 121.137.
Q: What is the CAS number of 1-methyl-4-nitrosobenzene?
A: CAS number of 1-methyl-4-nitrosobenzene is 623-11-0.
Q: What are the downstream products of 1-methyl-4-nitrosobenzene?
A: Related downstream products(CAS) of 1-methyl-4-nitrosobenzene: 621-00-1;10532-64-6;107727-85-5;3968-40-9;100136-57-0;1914-65-4;4242-18-6;538-09-0;504-61-0;627-27-0.
Q: What are the upstream materials of 1-methyl-4-nitrosobenzene?
A: Related upstream materials(CAS) of 1-methyl-4-nitrosobenzene: 623-10-9;106-49-0;108-88-3;99-99-0;537-64-4;821-85-2;480-96-6;19064-77-8;82860-27-3.
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