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Isotope-labelled compounds

(2H)Formic (2)acid

Also known as Formic acid-d2, [2H]formic [2]acid, deuterio deuterioformate

CAS 920-42-3Formula CH2O2Molar mass 48.04 g/molEC 213-057-3
GHS signal word: Danger. Pictograms: Flammable, Corrosive 10 suppliers listed
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(2H)Formic (2)acid chemical structure, CH2O2, CAS 920-42-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
920-42-3
Formula
CH2O2
Molar mass
48.04 g/mol
Physical form
Liquid
HS code
284590
Category
Isotope-labelled compounds
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is (2H)Formic (2)acid?

Plain description, key identifiers and synonyms

Formic acid-d2 is a monocarboxylic acid and a deuterated compound. It has a role as a NMR solvent.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
deuterio deuterioformate
CAS number
920-42-3 CAS number cross-checked
EC number
213-057-3
Molecular formula
CH2O2
MDL number
MFCD00037363
InChIKey
BDAGIHXWWSANSR-PFUFQJKNSA-N
InChI
InChI=1S/CH2O2/c2-1-3/h1H,(H,2,3)/i1D/hD
Canonical SMILES
O=CO
Isomeric SMILES
[2H]C(=O)O[2H]

Synonyms

  • Formic acid-d2
  • [2H]formic [2]acid
  • deuterio deuterioformate
  • Formic Acid-d2 (95% w/w in D2O)
  • DCOOD
  • Formic Acid-d2, Perdeuterioformic Acid-d2,
  • (~2~H_2_)Formic acid
  • Formic Acid-d2 (95per cent w/w in D2O)
  • Formic acid-D2, 95 wt% solution in D2O
  • Formic-d acid-d, 95 wt% in Deuterium oxide
  • Formic acid-d2, 95 wt. % in D2O, 98 atom % D

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

Physical form
Liquidexp.

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
48.04 g/molcalc.
Exact mass
48.018 Dacalc.
LogP (octanol/water)
-0.3calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
3calc.
Rings
0calc.
Aromatic rings
0calc.
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.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive

Hazard statements

  • H226Flammable liquid and vapour.
  • H314Causes severe skin burns and eye damage.
Precautionary statements (21)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P280Wear protective gloves, protective clothing, eye protection and face 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.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

(2H)Formic (2)acid suppliers

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Where suppliers are based

10 suppliers in 5 countries

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(2H)Formic (2)acid price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Roles

  • NMR solvent
  • solvent

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code (2H)Formic (2)acid is traded under.

HS 2845.90Indicative HS code

Compounds, inorganic or organic, of such isotopes, whether or not chemically defined

World exports in 2024
$2.67B
+19.0% vs 2023, imports $1.67B
2019 to 2024
Top exporters
  1. Ireland55.3%
  2. Hong Kong11.8%
  3. United States10.7%
Top importers
  1. China24.3%
  2. Ireland21.9%
  3. South Korea13.3%
Reported customs values in USD, not prices.Full trade data

The HS code shown for (2H)Formic (2)acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about (2H)Formic (2)acid, based on the data on this page

What is (2H)Formic (2)acid?

Formic acid-d2 is a monocarboxylic acid and a deuterated compound. It has a role as a NMR solvent.

What is the CAS number of (2H)Formic (2)acid?

The CAS registry number of (2H)Formic (2)acid is 920-42-3.

What is the molecular formula and weight of (2H)Formic (2)acid?

The molecular formula of (2H)Formic (2)acid is CH2O2 and its molar mass is 48.04 g/mol.

What is (2H)Formic (2)acid used for?

Known uses and roles of (2H)Formic (2)acid include isotope-labelled compounds in research and laboratory, nmr solvent and solvent.

Is (2H)Formic (2)acid hazardous?

(2H)Formic (2)acid carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, causes severe skin burns and eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of (2H)Formic (2)acid?

(2H)Formic (2)acid is usually classified under HS code 284590 (Isotopes other than those of heading 2844, compounds, inorganic or organic, of such…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy (2H)Formic (2)acid?

CompoundList lists 10 suppliers of (2H)Formic (2)acid in China, Germany, India, United Kingdom and 1 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy (2H)Formic (2)acid in India?

2 suppliers in India list (2H)Formic (2)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 (2H)Formic (2)acid?

Suppliers quote (2H)Formic (2)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 (2H)Formic (2)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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