Ingredient Dictionary

NITROMETHANE

Nitromethane can cause cancer according to The National Toxicology Program.

Definition

Nitromethane can cause cancer according to The National Toxicology Program.

Source: PubChem

US FDA substance register · UNII RU5WG8C3F4 · registered name NITROMETHANE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Prevents corrosion of packaging and equipmentANTICORROSIVE

Safety & regulatory references

Restricted or banned: China · South Korea
Restricted: United Kingdom

Source: MFDS (Korea) cosmetic regulatory information · ASEAN Cosmetic Directive · EU Cosmetics Regulation · UK cosmetics regulations (OPSS)

Argentina · Brazil

Field of application and/or use : Corrosion inhibitor
Maximum concentration permitted at final product : 0.3%

ASEAN

Field of application and/or use : Rust inhibitor
Maximum authorised concentration in the finished cosmetic product : 0.3%

European Union

Product Type, body parts : Rust inhibitor
Maximum concentration in ready for use preparation : 0.3%

Source: MFDS (Korea) cosmetic regulatory information

Korea’s toxic-substance GHS classification: Warning · H226 (category 3) · H351 (category 2) · H412 (category 3) · +1 more

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex III (restricted substances), entry 18 · maximum concentration 0.3% · applies to Rust inhibitor

Source: EU restricted substances (Annex III)

Restriction III/18 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Names & identifiers

NITROMETHANEINCI니트로메탄Korean label name (MFDS standard)Methane, nitro-Synonym

CAS No.chemical registry number: 75-52-5
EC No.EU chemical inventory number: 200-876-6
DTXSIDUS EPA chemical ID: DTXSID2020977
DTXCIDUS EPA compound ID: DTXCID40977

IUPAC: Nitromethane
Molecular formula: CH3NO2
Molecular weight: 61.04 g/mol

Measured properties

Appearance: liquid
Colour: colourless
pH: 6.12
Melting/freezing point: -29 ℃
Initial boiling point and range: 101 ℃
Flash point: 35 ℃
Upper/lower flammability or explosive limits: 63 / 7.3 %
Vapour pressure: 35.8 ㎜Hg(20℃)
Water solubility: 11.1 g/100㎖(25 ℃)
Vapour density: 2.1
Relative density: 1.14
n-Octanol/water partition coefficient (Kow): -0.35
Auto-ignition temperature: 417 ℃
Decomposition temperature: -709 ℃(kJ/mo)
Viscosity: 0.647 cP(25℃)
Molecular weight: 61.0397

Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.

Source: KOSHA safety data sheets (Korea)

What products actually use it for

What the 5 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.

Fuel2
Intermediate2
Corrosion inhibitor1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 2 eye studies are on record.

Classed as low3

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 6 studies

Classification not possible
Skin Sensitization · Screening
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · OECD Guideline 404 (Acute Dermal Irritation / Corrosion) equivalent or similar to
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: Draize test according to
Not classified
Skin Irritation · Screening
Category 2
Eye Irritation · Screening
Moderate or Mild Irritation
eye irritation: in vivo · Screening · other guideline: United States Federal Hazardous Substances Act Regulations (16CFR 1500.42) according to