3-Nitrophthalic anhydride

Modify Date: 2026-07-07 17:47:57

3-Nitrophthalic anhydride Structure
3-Nitrophthalic anhydride structure
Common Name 3-Nitrophthalic anhydride
CAS Number 641-70-3 Molecular Weight 193.113
Density 1.7±0.1 g/cm3 Boiling Point 411.8±28.0 °C at 760 mmHg
Molecular Formula C8H3NO5 Melting Point 163-165 °C(lit.)
MSDS Chinese USA Flash Point 227.5±26.0 °C
Symbol GHS07
GHS07
Signal Word Warning

Summary: 3-Nitrophthalic anhydride (CAS number: 641-70-3), with molecular formula C8H3NO5 and molecular weight 193.113, is a pale yellow crystalline powder. It is used for organic synthesis and as an intermediate for pigments, and also for the determination of alcohols. 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 3-Nitrophthalic anhydride
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 1.7±0.1 g/cm3
Boiling Point 411.8±28.0 °C at 760 mmHg
Melting Point 163-165 °C(lit.)
Molecular Formula C8H3NO5
Molecular Weight 193.113
Flash Point 227.5±26.0 °C
Exact Mass 193.001129
PSA 89.19000
LogP 1.33
Vapour Pressure 0.0±1.0 mmHg at 25°C
Index of Refraction 1.660
InChIKey ROFZMKDROVBLNY-UHFFFAOYSA-N
SMILES O=C1OC(=O)c2c1cccc2[N+](=O)[O-]
Storage condition Store at RT.
Water Solubility MAY DECOMPOSE

 MSDS

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

 Safety Information

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

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi:Irritant;
Risk Phrases R36/37/38
Safety Phrases S26-S36-S37/39
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 29173980

 Customs

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

HS Code 29173980

 Articles4

More Articles

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

Sensitive enantiomeric separation of aliphatic and aromatic amines using aromatic anhydrides as nonchiral derivatizing agents.

J. Chromatogr. A. 666 , 485-491, (1994)

New pre-column derivatizing reagents: phthalic anhydride, 3-nitrophthalic anhydride, diphenic anhydride, 1,8-naphthalic anhydride and diphenylmaleic anhydride have been developed for resolving chiral ...

Analytical method for determination of allylic isoprenols in rat tissues by liquid chromatography/tandem mass spectrometry following chemical derivatization with 3-nitrophtalic anhydride.

J. Pharm. Biomed. Anal. 47(3) , 560-6, (2008)

A liquid chromatography-tandem mass spectrometric (LC-MS/MS) method following chemical derivatization with 3-nitrophtalic anhydride was developed for the simultaneous determination of farnesol and ger...

Thalidomide analogs from diamines: Synthesis and evaluation as inhibitors of TNF-alpha production.

Chem. Pharm. Bull. 55(2) , 223-6, (2007)

Fourteen thalidomide analogs bearing two phthalimido units were prepared in high yields (83-94%) by condensation of different diamines with phthalic or 3-nitrophthalic anhydride. An in vitro investiga...

 Synonyms

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

1-Amino-2-Indolinon (CIS)
4-nitro-3-isobenzofurandione
Phthalic anhydride,3-nitro
3-Isobenzofurandione,4-nitro-1
4-Nitro-isobenzofuran-1,3-dione
3-Nitrophthalic anhydride
3-Nitrophthalicanhydride
MFCD00005921
nitro-phthalic anhydride
EINECS 211-373-6
4-Nitro-2-benzofuran-1,3-dione
4-nitroisobenzofuran-1,3-dione
3-Nitrophthalic Acid Anhydride
mononitrophthalic anhydride

 3-Nitrophthalic anhydride | FAQ

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

Q: What is the safety information for 3-Nitrophthalic anhydride?
A: Safety information for 3-Nitrophthalic anhydride: S26-S36-S37/39.
Q: What English synonyms does 3-Nitrophthalic anhydride have?
A: English synonyms of 3-Nitrophthalic anhydride: 1-Amino-2-Indolinon (CIS), 4-nitro-3-isobenzofurandione, Phthalic anhydride,3-nitro, 3-Isobenzofurandione,4-nitro-1, 4-Nitro-isobenzofuran-1,3-dione, 3-Nitrophthalic anhydride, 3-Nitrophthalicanhydride, MFCD00005921, nitro-phthalic anhydride, EINECS 211-373-6, 4-Nitro-2-benzofuran-1,3-dione, 4-nitroisobenzofuran-1,3-dione, 3-Nitrophthalic Acid Anhydride, mononitrophthalic anhydride.
Q: What is the CAS number of 3-Nitrophthalic anhydride?
A: CAS number of 3-Nitrophthalic anhydride is 641-70-3.
Q: What is the molecular formula of 3-Nitrophthalic anhydride?
A: Molecular formula of 3-Nitrophthalic anhydride is C8H3NO5.
Q: What is the polar surface area (PSA) of 3-Nitrophthalic anhydride?
A: Polar surface area (PSA) of 3-Nitrophthalic anhydride is 89.19000.
Q: What is the English name of 3-Nitrophthalic anhydride?
A: The English name of 3-Nitrophthalic anhydride is 3-Nitrophthalic anhydride.
Q: What are the downstream products of 3-Nitrophthalic anhydride?
A: Related downstream products(CAS) of 3-Nitrophthalic anhydride: 108368-14-5;313279-12-8;5434-20-8;606-18-8;85330-50-3;50573-74-5;3682-15-3;19783-57-4;20409-63-6;19065-85-1.
Q: What is the molecular weight of 3-Nitrophthalic anhydride?
A: Molecular weight of 3-Nitrophthalic anhydride is 193.113.
Q: What is the InChIKey of 3-Nitrophthalic anhydride?
A: InChIKey of 3-Nitrophthalic anhydride is ROFZMKDROVBLNY-UHFFFAOYSA-N.
Q: How is the water solubility of 3-Nitrophthalic anhydride?
A: Water solubility of 3-Nitrophthalic anhydride: MAY DECOMPOSE.

 3-Nitrophthalic anhydridefactory

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

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
Henan Tianfu Chemical Co., Ltd.
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