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ChemicalBook >> CAS DataBase List >> Trimethoxymethane

Trimethoxymethane

Trimethoxymethane price.
  • $7.62 - $5940
  • Product name: Trimethoxymethane
  • CAS: 149-73-5
  • MF: C4H10O3
  • MW: 106.12
  • EINECS:205-745-7
  • MDL Number:MFCD00008483
  • Synonyms:TRIMETHYL ORTHOFORMATE, ANHYDROUS, 99.8%;Trimethylorthoformate, 98+%;METHYLFORMIAT-ORTHO;TRIMETHYL ORTHOFORMATE 98.5%;TRIMETHYL ORTHOFORMATE 99%;Trimethyl orthoformate anhydrous;TRIMETHYLORTHOFORMATE pure;Orthoformic acid trimethyl
Price48 Properties Safety Information Description
48 prices
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  • AK Scientific
  • Atlantic Research Chemicals
  • Chem-Impex
  • Frontier Specialty Chemicals
  • Medical Isotopes, Inc.
  • Oakwood
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
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  • ManufacturerAK Scientific
  • Product numberA751
  • Product descriptionTrimethoxymethane
  • Packaging100g
  • Price$29
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ55306
  • Product descriptionTrimethoxymethane
  • Packaging500g
  • Price$63
  • Updated2021-12-16
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN047307
  • Product descriptionTrimethyl orthoformate 95
  • Packaging50g
  • Price$22.86
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN047307
  • Product descriptionTrimethyl orthoformate 95
  • Packaging1g
  • Price$7.62
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN047307
  • Product descriptionTrimethyl orthoformate 95
  • Packaging5g
  • Price$12.7
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN047307
  • Product descriptionTrimethyl orthoformate 95
  • Packaging10g
  • Price$15.24
  • Updated2026-05-23
  • Buy
  • ManufacturerAtlantic Research Chemicals
  • Product numberAN047307
  • Product descriptionTrimethyl orthoformate 95
  • Packaging25g
  • Price$17.78
  • Updated2026-05-23
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,99%(GC) 99%(GC)
  • Packaging100ML
  • Price$15.96
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethyl orthoformate ≥99%(GC)
  • Packaging100ML
  • Price$20
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,99%(GC) 99%(GC)
  • Packaging250ML
  • Price$21.28
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethyl orthoformate ≥99%(GC)
  • Packaging250ML
  • Price$45
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,99%(GC) 99%(GC)
  • Packaging1L
  • Price$47.88
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethyl orthoformate ≥99%(GC)
  • Packaging1L
  • Price$90
  • Updated2026-05-19
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,99%(GC) 99%(GC)
  • Packaging4L
  • Price$148.96
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,99%(GC) 99%(GC)
  • Packaging25L
  • Price$723.52
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethyl orthoformate ≥99%(GC)
  • Packaging4L
  • Price$330
  • Updated2026-05-19
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
AK Scientific A751 Trimethoxymethane 100g $29 2021-12-16 Buy
AK Scientific J55306 Trimethoxymethane 500g $63 2021-12-16 Buy
Atlantic Research Chemicals AN047307 Trimethyl orthoformate 95 50g $22.86 2026-05-23 Buy
Atlantic Research Chemicals AN047307 Trimethyl orthoformate 95 1g $7.62 2026-05-23 Buy
Atlantic Research Chemicals AN047307 Trimethyl orthoformate 95 5g $12.7 2026-05-23 Buy
Atlantic Research Chemicals AN047307 Trimethyl orthoformate 95 10g $15.24 2026-05-23 Buy
Atlantic Research Chemicals AN047307 Trimethyl orthoformate 95 25g $17.78 2026-05-23 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 100ML $15.96 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 100ML $20 2026-05-19 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 250ML $21.28 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 250ML $45 2026-05-19 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 1L $47.88 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 1L $90 2026-05-19 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 4L $148.96 2021-12-16 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 25L $723.52 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 4L $330 2026-05-19 Buy
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Properties

Melting point :-53 °C
Boiling point :101-102 °C(lit.)
Density :0.97 g/mL at 25 °C(lit.)
vapor density :3.67 (vs air)
vapor pressure :23.5 mm Hg ( 20 °C)
refractive index :n20/D 1.379(lit.)
Flash point :60 °F
storage temp. :Store below +30°C.
solubility :Miscible with ether, alcohol and benzene.
form :Liquid
color :Clear colorless
explosive limit :1.4-44.6%(V)
Water Solubility :10 g/L (hydrolysis)
Sensitive :Moisture Sensitive
Merck :14,6884
BRN :969215
Henry's Law Constant :6.9×10-1 mol/(m3Pa) at 25℃, Guthrie (1973)
InChI :1S/C4H10O3/c1-5-4(6-2)7-3/h4H,1-3H3
InChIKey :PYOKUURKVVELLB-UHFFFAOYSA-N
SMILES :COC(OC)OC
LogP :-0.03-0.09 at 20℃
CAS DataBase Reference :149-73-5(CAS DataBase Reference)
NIST Chemistry Reference :Methane, trimethoxy-(149-73-5)
EPA Substance Registry System :Trimethoxymethane (149-73-5)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H316 Causes mild skin irritation Skin corrosion/irritation Category 3 Warning P332+P313
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P242 Use only non-sparking tools.
P243 Take precautionary measures against static discharge.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P337+P313 IF eye irritation persists: Get medical advice/attention.
P370+P378 In case of fire: Use … for extinction.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Description

Trimethyl orthoformate is used as a protecting group for aldehydes in organic synthesis, as an additive in polyurethane coatings and as a dehydrating agent in the preparation of surface modified colloidal silica nanoparticles. It is also used as a chemical intermediate in the preparation of vitamin B1 and sulfa drugs. It acts as an effective solvent for thallium(III) nitrate-mediated oxidations. Furthermore. It is utilized for the synthesis of chromone from keto-hydroxy naphthol in the presence of trimethylamine.

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Suppliers and manufacturers

Ningxia Jinhua Chemical Co.,Ltd
Trimethyl Orthoformate
Trimethyl Orthoformate CAS:149-73-5
Hebei Chuanghai Biotechnology Co., Ltd
Trimethoxymethane
$1.00
Trimethoxymethane CAS:149-73-5
Hebei Chuanghai Biotechnology Co,.LTD
Trimethyl Orthoformate
$5.70
Trimethyl Orthoformate CAS:149-73-5
Chongqing Soarwin Technology Co., Ltd
Trimethoxymethane
Trimethoxymethane CAS:149-73-5
Xiamen AmoyChem Co., Ltd
Apeloa Pharmaceutical Co., Ltd.
Capot Chemical Co.,Ltd.
Hangzhou Bayee Chemical Co., Ltd.
Henan Tianfu Chemical Co.,Ltd.
Anhui Royal Chemical Co., Ltd.