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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
Price52 Properties Safety Information Description
52 prices
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Brand
  • AK Scientific
  • Atlantic Research Chemicals
  • Biosynth
  • Chem-Impex
  • Frontier Specialty Chemicals
  • Medical Isotopes, Inc.
  • Oakwood
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
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  • 205L
  • 1 kg
  • 100 g
  • 100 mL
  • 500 g
  • 800 mL
  • 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
  • ManufacturerBiosynth
  • Product numberFT60564
  • Product descriptionTrimethyl orthoformate
  • Packaging1kg
  • Price$259.6
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFT60564
  • Product descriptionTrimethyl orthoformate
  • Packaging2kg
  • Price$389.4
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFT60564
  • Product descriptionTrimethyl orthoformate
  • Packaging5kg
  • Price$843.7
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFT60564
  • Product descriptionTrimethyl orthoformate
  • Packaging10kg
  • Price$1557.6
  • Updated2026-06-04
  • Buy
  • ManufacturerBiosynth
  • Product numberFT60564
  • Product descriptionTrimethyl orthoformate
  • Packaging25kg
  • Price$3245
  • Updated2026-06-04
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethylorthoformate,≥99%(GC)Hazmat ≥99%(GC)
  • Packaging205L
  • Price$4702.88
  • Updated2021-12-16
  • Buy
  • ManufacturerChem-Impex
  • Product number04903
  • Product descriptionTrimethyl orthoformate ≥99%(GC)
  • Packaging4L
  • Price$330
  • Updated2026-05-19
  • 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)
  • Packaging250ML
  • Price$45
  • 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
Biosynth FT60564 Trimethyl orthoformate 1kg $259.6 2026-06-04 Buy
Biosynth FT60564 Trimethyl orthoformate 2kg $389.4 2026-06-04 Buy
Biosynth FT60564 Trimethyl orthoformate 5kg $843.7 2026-06-04 Buy
Biosynth FT60564 Trimethyl orthoformate 10kg $1557.6 2026-06-04 Buy
Biosynth FT60564 Trimethyl orthoformate 25kg $3245 2026-06-04 Buy
Chem-Impex 04903 Trimethylorthoformate,≥99%(GC)Hazmat ≥99%(GC) 205L $4702.88 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 4L $330 2026-05-19 Buy
Chem-Impex 04903 Trimethylorthoformate,99%(GC) 99%(GC) 25L $723.52 2021-12-16 Buy
Chem-Impex 04903 Trimethyl orthoformate ≥99%(GC) 250ML $45 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

Shandong fengpan New Material Co., Ltd Chengdu HuaXia Chemical Reagent Co. Ltd Shanghai Aladdin Bio-Chem Technology Co.,LTD Jinan Renyuan Chemical Co., Ltd. Changzhou Chengyi Biotechnology Co., Ltd. JINAN QUANSHENG CHEMICAL CO.,LTD Zibo Chuanggu Chemical Technology Co., Ltd. Shandong Chongcheng Energy Technology Co., Ltd Nanjing Yihua Biotechnology Co., Ltd Shanghai Boyle Chemical Co., Ltd.