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Impurities and reference standards

Triphosgene

Also known as Bis(trichloromethyl) carbonate, Methanol, trichloro-, carbonate (2:1), bis(trichloromethyl)carbonate

CAS 32315-10-9Formula C3Cl6O3Molar mass 296.75 g/molEC 250-986-3
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe) 37 suppliers listed
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Triphosgene chemical structure, C3Cl6O3, CAS 32315-10-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
32315-10-9
Formula
C3Cl6O3
Molar mass
296.75 g/mol
EC number
250-986-3
HS code
292090
Category
Impurities and reference standards

What is Triphosgene?

Plain description, key identifiers and synonyms

Triphosgene is a chemical substance with the molecular formula C3Cl6O3 and a molar mass of 296.75 g/mol. Its CAS registry number is 32315-10-9. The IUPAC name is bis(trichloromethyl) carbonate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
bis(trichloromethyl) carbonate
CAS number
32315-10-9 CAS number cross-checked
EC number
250-986-3
Molecular formula
C3Cl6O3
UNII
2C0677Q3B2
MDL number
MFCD00062848
InChIKey
UCPYLLCMEDAXFR-UHFFFAOYSA-N
InChI
InChI=1S/C3Cl6O3/c4-2(5,6)11-1(10)12-3(7,8)9
SMILES (canonical and isomeric)
C(=O)(OC(Cl)(Cl)Cl)OC(Cl)(Cl)Cl

Synonyms

  • Bis(trichloromethyl) carbonate
  • Methanol, trichloro-, carbonate (2:1)
  • bis(trichloromethyl)carbonate
  • ditrichloromethyl carbonate
  • Triphosgene (Technical grade)
  • bis-(trichloromethyl)carbonate
  • C3Cl6O3
  • triphosgen
  • tri phosgene
  • tri-Phosgene
  • Enalapril Impurity 10
  • Carbonic acid, bis(trichloromethyl) ester
  • tri-Phosgene, Triphosgene
  • bis-trichloromethylcarbonate
  • hexachlorodimethyl carbonate
  • bis(trichloromethyl)-carbonate
  • bis (trichloromethyl) carbonate
  • bis-(trichloromethyl) carbonate
  • Bis-(trichloromethyl)-carbonate
  • Bis (trichloro methyl) carbonate
  • Triphosgene, reagent grade, 98%
  • Cartridge for Phosgene Generation, 0.02 mole
  • Cartridge for Phosgene Generation, 0.05 mole
  • Methanol, 1,1,1-trichloro-, 1,1'-carbonate
  • 1,1,1-Trichloromethanol 1,1'-carbonate
Show all 26 synonyms
  • Bis(trichloromethyl) carbonate, purum, >=99.0% (AT)

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
296.75 g/molcalc.
Exact mass
293.7979 Dacalc.
LogP (octanol/water)
3.79calc.
Topological polar surface area
35.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
0calc.
Heavy atoms
12calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H314Causes severe skin burns and eye damage.
  • H330Fatal if inhaled.
Precautionary statements (16)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing 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

Triphosgene suppliers

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

All 37 suppliers
30 of 30 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

37 suppliers in 6 countries

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Triphosgene 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.

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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, Regulatory flags: Added by a premanufacture notice, significant new use rule, section 5(e) order

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2920.90Indicative HS code

Esters, other than thiophosphoric esters (phosphorothioates) and phosphite esters and their salts…

World exports in 2024
$1.05B
+8.0% vs 2023, imports $1.23B
2019 to 2024
Top exporters
  1. China33.4%
  2. Germany18.8%
  3. United States12.4%
Top importers
  1. United States19.2%
  2. Singapore8.9%
  3. South Korea6.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Triphosgene?

Triphosgene is a chemical substance with the molecular formula C3Cl6O3 and a molar mass of 296.75 g/mol. Its CAS registry number is 32315-10-9. The IUPAC name is bis(trichloromethyl) carbonate.

What is the CAS number of Triphosgene?

The CAS registry number of Triphosgene is 32315-10-9.

What is the molecular formula and weight of Triphosgene?

The molecular formula of Triphosgene is C3Cl6O3 and its molar mass is 296.75 g/mol.

Is Triphosgene hazardous?

Triphosgene carries the GHS signal word "Danger". Main hazards: causes severe skin burns and eye damage, fatal if inhaled. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triphosgene?

Triphosgene is usually classified under HS code 292090 (Esters of other inorganic acids of non-metals (excluding esters of hydrogen halides) and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triphosgene?

CompoundList lists 37 suppliers of Triphosgene in China, India, United States, Canada and 2 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Triphosgene in India?

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

What is the price of Triphosgene?

Suppliers quote Triphosgene 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 Triphosgene

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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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