CompoundList
Sign in
Amines and amides

Phthalamide

Also known as 1,2-Benzenedicarboxamide, benzene-1,2-dicarboxamide, Phthaldiamide

CAS 88-96-0Formula C8H8N2O2Molar mass 164.16 g/molEC 201-870-6
GHS signal word: Warning. Pictograms: Harmful or irritant 5 suppliers listed
Get quotes Compare 5 suppliers
Phthalamide chemical structure, C8H8N2O2, CAS 88-96-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Minute crystals
Melting point
228 °C
Boiling point
Decomposes
Solubility
SLIGHTLY SOL IN COLD WATER, METHANOL, MORE SOL IN HOT SOLVENTS
HS code
292429
Category
Amines and amides
Illustrative photo, closed white HDPE bottles and amber jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Phthalamide?

Plain description, key identifiers and synonyms

Phthalamide is a benzenedicarboxamide. It is functionally related to a phthalic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
benzene-1,2-dicarboxamide
CAS number
88-96-0 CAS number cross-checkedOther or deprecated CAS: 36630-93-0
EC number
201-870-6
Molecular formula
C8H8N2O2
UNII
7B96053WRS
MDL number
MFCD00025478
InChIKey
NAYYNDKKHOIIOD-UHFFFAOYSA-N
InChI
InChI=1S/C8H8N2O2/c9-7(11)5-3-1-2-4-6(5)8(10)12/h1-4H,(H2,9,11)(H2,10,12)
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C(=O)N)C(=O)N

Synonyms

  • 1,2-Benzenedicarboxamide
  • benzene-1,2-dicarboxamide
  • Phthaldiamide
  • Phthalic acid diamide
  • o-Carbamoylbenzamide
  • o-Phthalamide
  • o-Phthalic acid diamide
  • Phthalic diamide
  • 4-09-00-03265 (Beilstein Handbook Reference)
  • oCarbamoylbenzamide
  • oPhthalic acid diamide
  • 1,2Benzenedicarboxamide
  • benzene-1,2-dicarboxamide, phthalamide
  • phthlamide
  • P-D
  • pthalamide
  • benzenedicarbamide
  • phthalic acid diimide

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Minute crystalsexp.
Melting point
228 °Cexp.
Boiling point
Decomposesexp.
Solubility
SLIGHTLY SOL IN COLD WATER, METHANOL, MORE SOL IN HOT SOLVENTSexp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
164.16 g/molcalc.
Exact mass
164.0586 Dacalc.
LogP (octanol/water)
-0.12calc.
Topological polar surface area
86.18 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Phthalamide suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 5 suppliers
5 of 5 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

5 suppliers in 2 countries

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Phthalamide price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Laboratory reagent, chemical intermediate for ci pigment blue 15, o-phthalonitrile.

Intermediate in organic synthesis, laboratory reagent.

By stirring phthalimide with cold concentrated ammonia solution, by the reaction of phthalyl chloride and ammonia.

How it is made

By stirring phthalimide with cold, concentrated ammonia solution, by the reaction of phthalyl chloride and ammonia.

Prepd from phthalic anhydride & anhydrous ammonia in benzene.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Phthalamide is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Phthalamide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Phthalamide, based on the data on this page

What is Phthalamide?

Phthalamide is a benzenedicarboxamide. It is functionally related to a phthalic acid.

What is the CAS number of Phthalamide?

The CAS registry number of Phthalamide is 88-96-0. Other or deprecated CAS numbers: 36630-93-0.

What is the molecular formula and weight of Phthalamide?

The molecular formula of Phthalamide is C8H8N2O2 and its molar mass is 164.16 g/mol.

What is Phthalamide used for?

Laboratory reagent, chemical intermediate for ci pigment blue 15, o-phthalonitrile. Intermediate in organic synthesis, laboratory reagent. By stirring phthalimide with cold concentrated ammonia solution, by the reaction of phthalyl chloride and ammonia.

Is Phthalamide hazardous?

Phthalamide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Phthalamide?

Phthalamide is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Phthalamide?

CompoundList lists 5 suppliers of Phthalamide in India and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Phthalamide in India?

4 suppliers in India list Phthalamide on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Phthalamide?

Suppliers quote Phthalamide on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Phthalamide

Get quotes for Phthalamide

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Phthalamide
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Phthalamide with a 3D view, its CAS number and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/phthalamide-88-96-0" title="Phthalamide structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Amines and amides or HS code 292429

5 suppliers
Free quotes, contact stays private
Get quotes