1,2-Benzenedicarboxamide

Modify Date: 2026-07-04 10:44:30

1,2-Benzenedicarboxamide Structure
1,2-Benzenedicarboxamide structure
Common Name 1,2-Benzenedicarboxamide
CAS Number 88-96-0 Molecular Weight 164.16100
Density 1.294g/cm3 Boiling Point 430.8ºC at 760 mmHg
Molecular Formula C8H8N2O2 Melting Point 223°C (dec.)
MSDS N/A Flash Point 214.4ºC

Summary: Phthalamide (1,2-Benzenedicarboxamide), Chinese name is 邻苯二甲酰胺, CAS number is 88-96-0, with molecular formula C8H8N2O2 and molecular weight 164.16100. It appears as colorless crystals or white crystalline powder, with a melting point of 223°C and a boiling point of 430.8°C. 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 phthalamide
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 1.294g/cm3
Boiling Point 430.8ºC at 760 mmHg
Melting Point 223°C (dec.)
Molecular Formula C8H8N2O2
Molecular Weight 164.16100
Flash Point 214.4ºC
Exact Mass 164.05900
PSA 86.18000
LogP 1.28500
Index of Refraction 1.612
InChIKey NAYYNDKKHOIIOD-UHFFFAOYSA-N
SMILES NC(=O)c1ccccc1C(N)=O
Stability Stable. Incompatible with acids, strong oxidizing agents.

 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 :
CZ2200000
CHEMICAL NAME :
1,2-Benzenedicarboxamide
CAS REGISTRY NUMBER :
88-96-0
BEILSTEIN REFERENCE NO. :
1868220
LAST UPDATED :
199701
DATA ITEMS CITED :
6
MOLECULAR FORMULA :
C8-H8-N2-O2
MOLECULAR WEIGHT :
164.18
WISWESSER LINE NOTATION :
ZVR BVZ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
4004 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - muscle weakness Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 48,23,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4104 mg/kg
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - ptosis Behavioral - muscle weakness Lungs, Thorax, or Respiration - respiratory depression
REFERENCE :
APFRAD Annales Pharmaceutiques Francaises. (SPPIF, B.P.22, F-41353 Vineuil, France) V.1- 1943- Volume(issue)/page/year: 48,23,1990 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - T1370 No. of Facilities: 111 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 111 (estimated)

 Safety Information

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

Hazard Codes Xi
Safety Phrases S22-S24/25
RTECS CZ2200000
HS Code 2924299090

 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 2924299090
Summary 2924299090. other cyclic amides (including cyclic carbamates) and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

 Synonyms

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

Phthaldiamide
phthalic amide
dithiophthalimide
o-Phthalamide
Benzene-1,2-biscarboxamide
EINECS 201-870-6
Phthalic acid diamide
1,2-Benzenedicarboxamide
Phthalsaeure-diamid
o-Phthalic acid diamide
benzene-1,2-dicarboxamide
o-Carbamoylbenzamide
MFCD00025478

 1,2-Benzenedicarboxamide | FAQ

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

Q: What is the SMILES notation of phthalamide?
A: SMILES notation of phthalamide is NC(=O)c1ccccc1C(N)=O.
Q: What is the boiling point of phthalamide?
A: Boiling point of phthalamide is 430.8ºC at 760 mmHg.
Q: What is the molecular formula of phthalamide?
A: Molecular formula of phthalamide is C8H8N2O2.
Q: What are the downstream products of phthalamide?
A: Related downstream products(CAS) of phthalamide: 91-15-6;17174-98-0;1971-49-9;22641-00-5;86-96-4;612-14-6;14352-51-3;1541-26-0;89130-76-7.
Q: What is the InChIKey of phthalamide?
A: InChIKey of phthalamide is NAYYNDKKHOIIOD-UHFFFAOYSA-N.
Q: What is the LogP of phthalamide?
A: LogP of phthalamide is 1.28500.
Q: What is the English name of phthalamide?
A: The English name of phthalamide is phthalamide.
Q: What is the safety information for phthalamide?
A: Safety information for phthalamide: S22-S24/25.
Q: What is the molecular weight of phthalamide?
A: Molecular weight of phthalamide is 164.16100.
Q: What is the melting point of phthalamide?
A: Melting point of phthalamide is 223°C (dec.).

 1,2-Benzenedicarboxamidefactory

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.
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