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Impurities and reference standards

3,5-Dinitrobenzoic acid

Also known as Benzoic acid, 3,5-dinitro-, DNBA, Dinitrobenzoic acid

CAS 99-34-3Formula C7H4N2O6Molar mass 212.12 g/molEC 202-751-1
GHS signal word: Warning. Pictograms: Harmful or irritant 34 suppliers listed
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3,5-Dinitrobenzoic acid chemical structure, C7H4N2O6, CAS 99-34-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
99-34-3
Formula
C7H4N2O6
Molar mass
212.12 g/mol
EC number
202-751-1
HS code
291639
Category
Impurities and reference standards

What is 3,5-Dinitrobenzoic acid?

Plain description, key identifiers and synonyms

3,5-dinitrobenzoic acid is a member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 3 and 5 are replaced by nitro groups. It is a member of benzoic acids and a C-nitro compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3,5-dinitrobenzoic acid
CAS number
99-34-3 CAS number cross-checked
EC numbers
202-751-1, 695-040-4
Molecular formula
C7H4N2O6
UNII
4V3F9Q018P
MDL number
MFCD00007253
InChIKey
VYWYYJYRVSBHJQ-UHFFFAOYSA-N
InChI
InChI=1S/C7H4N2O6/c10-7(11)4-1-5(8(12)13)3-6(2-4)9(14)15/h1-3H,(H,10,11)
SMILES (canonical and isomeric)
C1=C(C=C(C=C1[N+](=O)[O-])[N+](=O)[O-])C(=O)O

Synonyms

  • Benzoic acid, 3,5-dinitro-
  • DNBA
  • Dinitrobenzoic acid
  • 3-Carboxy-1,5-dinitrobenzene
  • 4-carboxy-2,6-dinitrophenyl
  • 3,5-Dinitro-benzoic acid
  • 3,5-DNBA
  • 3,5-dinitrobenzenecarboxylic acid
  • 3,5-Dinitrobenzoic acid, 99%
  • 3,5-DinitrobenzoicAcid
  • 3,5-nitrobenzoic acid
  • Vitamin D2 Impurity 8
  • 3,5 dinitrobenzoic acid
  • 3-Carboxy-1,5-dintrobenzene
  • 3,5-DinitrobenzoesA currencyure
  • 3,5-Dinitrobenzoic acid (DNBA)
  • Benzoic acid,3,5-dinitro mfc7 h4 n2 o6
  • 3,5-Dinitrobenzoic acid, Standard for quantitative NMR, TraceCERT(R)
  • 3,5-Dinitrobenzoic Acid, 3,5-Dinitrobenzoic acid, 3-Carboxy-1,5-dinitrobenzene, DNBA, NSC 8732

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
212.12 g/molcalc.
Exact mass
212.0069 Dacalc.
LogP (octanol/water)
1.2calc.
Topological polar surface area
123.6 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
3calc.
Heavy atoms
15calc.
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.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (20)
  • 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.
  • P273Avoid release to the environment.
  • 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

3,5-Dinitrobenzoic acid suppliers

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

All 34 suppliers
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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

34 suppliers in 8 countries

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3,5-Dinitrobenzoic acid price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 3,5-Dinitrobenzoic acid is traded under.

HS 2916.39Indicative HS code

Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$706M
−6.8% vs 2023, imports $714M
2019 to 2024
Top exporters
  1. China49.0%
  2. India * partner reported16.2%
  3. Germany13.2%
Top importers
  1. India * partner reported14.5%
  2. United States12.2%
  3. Germany8.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 3,5-Dinitrobenzoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3,5-Dinitrobenzoic acid, based on the data on this page

What is 3,5-Dinitrobenzoic acid?

3,5-dinitrobenzoic acid is a member of the class of benzoic acids that is benzoic acid in which the hydrogens at positions 3 and 5 are replaced by nitro groups. It is a member of benzoic acids and a C-nitro compound.

What is the CAS number of 3,5-Dinitrobenzoic acid?

The CAS registry number of 3,5-Dinitrobenzoic acid is 99-34-3.

What is the molecular formula and weight of 3,5-Dinitrobenzoic acid?

The molecular formula of 3,5-Dinitrobenzoic acid is C7H4N2O6 and its molar mass is 212.12 g/mol.

Is 3,5-Dinitrobenzoic acid hazardous?

3,5-Dinitrobenzoic acid 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 3,5-Dinitrobenzoic acid?

3,5-Dinitrobenzoic acid is usually classified under HS code 291639 (Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3,5-Dinitrobenzoic acid?

CompoundList lists 34 suppliers of 3,5-Dinitrobenzoic acid in China, India, United States, Canada and 4 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy 3,5-Dinitrobenzoic acid in India?

10 suppliers in India list 3,5-Dinitrobenzoic acid on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of 3,5-Dinitrobenzoic acid?

Suppliers quote 3,5-Dinitrobenzoic acid 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 3,5-Dinitrobenzoic acid

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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