C4H10O3
106.12 g/mol
Industrial ChemicalDanger
Trimethoxymethane
CAS149-73-5EC205-745-7
Category
Industrial Chemical
Compound Class
Other
Primary Use
orthoester reagent and solvent
Trimethoxymethane is an orthoester reagent and solvent used in organic synthesis. It serves as a versatile building block for introducing the methoxymethylidene group in chemical reactions.
orthoester reagentsolvent in organic synthesisreagent for methoxymethylidene group introduction
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
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CAS149-91-7
antioxidant, tanning agent, dyeing intermediate
ReferenceSame Category
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CAS149022-26-4
chelating agent for metal ions
ReferenceSame Category
Pyrithione copper
CAS14915-37-8
industrial biocide and fungicide
ReferenceSame Category
Ethyl cyclobutanecarboxylate
CAS14924-53-9
Chemical intermediate for synthesis
Safety Reference
Danger
H225Highly flammable liquid and vapour
H319Causes serious eye irritation
H335May cause respiratory irritation
H332Harmful if inhaled
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for Trimethoxymethane (CAS 149-73-5) is 2915.90.
HS code (international, 6-digit)
2915.90
EU CN code (8-digit)
2915 90 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
trimethoxymethane
InChIKey
PYOKUURKVVELLB-UHFFFAOYSA-N
SMILES
COC(OC)OC
Synonyms (23)
- (MeO)3CH
- CH(OMe)3
- HC(OMe)3
- Methane, trimethoxy-
- Methoxymethylal
- Methyl orthoformate
- Orthoformic acid methyl ester
- Orthoformic acid trimethyl
- Orthomravencan methylnaty
- PERMA-FLO OF
- TRIMETHYL ORTHOFORMATE
- Trimethoxymethane
- trimethylorthoformat
- trimetyl orthoformate
- trirnethylorthoformate
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