Molekula
Methanol - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Certificate of Analysis with every batch
Methanol USP CRS (United States Pharmacopeia Chemical Reference Substance) is a high-purity, analytical-grade alcohol used as a solvent, reagent, and calibration standard in pharmaceutical, chemical, and laboratory applications. More broadly, methanol is a key feedstock for producing formaldehyde, acetic acid and MTBE, and is also used as an antifreeze and as a fuel. It serves as a reference material for quality control, testing, and research where precise, documented purity is critical. This product has a CAS number of 67-56-1, with the molecular formula CH3OH and a molecular weight of 32.04. It is stored at ambient conditions and carries a Danger signal word per GHS classification. Molekula supplies Methanol USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
This substance is available from Molekula on enquiry. Full specification, Safety Data Sheet and Certificate of Analysis documentation are provided with your quotation once our team confirms the grade and pack size you need.
Overview
- SKU
- 90038436
- CAS Number
- 67-56-1
- IUPAC Name
- methanol
- EC Number
- 200-659-6
- Molecular Formula
- CH3OH
- Molecular Weight
- 32.04
- Exact Mass
- 32.0262
- SMILES
- CO
- InChIKey
- OKKJLVBELUTLKV-UHFFFAOYSA-N
- InChI
- InChI=1S/CH4O/c1-2/h2H,1H3
- PubChem CID
- 887
Literature values
Published physical properties of the substance, not batch specifications.
- Appearance
- Colorless liquid
- Odour
- Characteristic pungent odor
- Melting Point
- -98 °C
- Boiling Point
- 65 °C
- Density
- 0.79 (relative, water = 1)
- Solubility (other solvents)
- Soluble in acetone, chloroform
- Vapour Pressure
- 12.9 kPa at 20 °C
- Refractive Index
- 1.3292
- pKa
- pKa = 15.3
- log P (octanol/water)
- -0.77
Source: PubChem CID 887 (HSDB, ICSC)
See all 14 other grades of CAS 67-56-1 →
Frequently asked questions
What is Methanol USP CRS primarily used for?
Methanol USP CRS is commonly used as a solvent and as a reference standard for analytical testing in laboratories, such as residual solvent analysis under USP <467>.
What is the chemical formula and molecular weight of Methanol USP CRS?
The chemical formula is CH₃OH and the molecular weight is 32.04 g/mol.
How should Methanol USP CRS be stored?
Store at ambient temperature in a tightly sealed container, away from ignition sources and oxidizing agents.
What grade of Methanol is USP CRS, and how is it different from other grades?
USP CRS (United States Pharmacopeia Certified Reference Standard) is a high-purity grade specifically validated for use in pharmaceutical testing and quality control.
Can Molekula supply Methanol USP CRS in bulk quantities?
Yes, Molekula can supply Methanol USP CRS in bulk, with quantities and packaging tailored to your requirements—please contact us for details.
What documentation comes with an order of Methanol USP CRS?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and USP CRS compliance documentation for traceability.
Related products
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.