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1,3,5-trinitrobenzene

Also known as: s-Trinitrobenzene, TNB, 1,3,5-trinitro-benzen, Benzene,1,3,5-trinitro-, benzite, sym-trinitrobenzene

1,3,5-trinitrobenzene (CAS 99-35-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3N3O6 and a molecular weight of 213.10500 g/mol. Key properties include a melting point of 122°C, a boiling point of 315ºC at 760mmHg, a density of 1.705g/cm3 and a flash point of 164.1ºC. It is classified under GHS with signal word Danger and hazard statements H201, H300 and H310. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
99-35-4
Jingsj CID
J-1519978-0
Molecular Formula
C6H3N3O6
Molecular Weight
213.10500 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Melting Point122°C
Boiling Point315ºC at 760mmHg
Density1.705g/cm3
Flash Point164.1ºC
Exact Mass213.00200
PSA137.46000
LogP2.98080
Refractive Index1.655

GHS Safety & Compliance

Explosive / Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H201
  • H300
  • H310
  • H330 — Fatal if inhaled
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2904209090
Summary2904209090 derivatives containing only nitro or only nitroso groups。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,3,5-trinitrobenzene?

The CAS number of 1,3,5-trinitrobenzene is 99-35-4.

What are the molecular formula and molecular weight of 1,3,5-trinitrobenzene?

1,3,5-trinitrobenzene has molecular formula C6H3N3O6 and molecular weight 213.10500 g/mol.

Is 1,3,5-trinitrobenzene hazardous?

1,3,5-trinitrobenzene has GHS signal word Danger and hazard statements H201; H300; H310.

What are the upstream and downstream products of 1,3,5-trinitrobenzene?

For 1,3,5-trinitrobenzene, Upstream Products: Trimethyl phosphite, Triethyl phosphite, 3,5-Dinitroaniline; Downstream Products: 2,4,6-trinitroaniline, 5-nitrobenzene-1,3-diamine, 3,5-Dinitroaniline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1,3,5-trinitrobenzene (CAS 99-35-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519978-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.