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Molekula

Molekula

Acetonitrile for LC-MS

SKU 90033483 CAS 75-05-8 CH3CN MW 41.05 In stock (5+ packs) — same-day dispatch Bulk quantities on request

Supplying 4,500+ customers in over 80 countries

ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need

Acetonitrile for LC-MS is a highly polar organic solvent essential for liquid chromatography-mass spectrometry (LC-MS) analysis, ensuring efficient separation and detection of compounds. It is also used in extraction, synthesis, and as a mobile phase additive in analytical techniques. This product has a CAS number of 75-05-8, molecular formula CH3CN, and a molecular weight of 41.05 g/mol. It is stored at ambient conditions and carries a signal word of Danger due to its hazardous nature. Molekula supplies Acetonitrile for LC-MS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 1 L — $570.00 per pack
  • 2.5 L — $779.00 per pack

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Specifications

Property Value
Appearance Clear, colourless liquid
Grade LCMS
Water ≤0.01%
Purity ≥99.98%
UV 260nm ≤0.005
UV 200nm ≤0.015
UV 210nm ≤0.010
UV 220nm ≤0.005
Suitability for LC-MS Suitable
UV 400nm ≤0.005
UV 190nm ≤0.700

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 2 °C
Transport Class 3
Packing Group II
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Colorless, limpid liquid
Odour Aromatic odor
Melting Point -44 °C
Boiling Point 82 °C
Density 0.8 (relative, water = 1)
Solubility (other solvents) Soluble in alcohol
Vapour Pressure 9.9 kPa at 25 °C
Refractive Index 1.33934
pKa pKa = -4.30
log P (octanol/water) -0.34

Source: PubChem CID 6342 (HSDB, ICSC)

Identification

Property Value
SKU 90033483
CAS Number 75-05-8
IUPAC Name acetonitrile
EC Number 200-835-2
Molecular Formula CH3CN
Molecular Weight 41.05
Exact Mass 41.0265
SMILES CC#N
InChIKey WEVYAHXRMPXWCK-UHFFFAOYSA-N
InChI InChI=1S/C2H3N/c1-2-3/h1H3
PubChem CID 6342
UN Number UN1648
REACH Code Y110
TSCA Listed Yes
HTS Code 29269050
Tariff Code 2926907022

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H225 Highly flammable liquid and vapour
  • H302 + H312 + H332 Harmful if swallowed, in contact with skin or if inhaled
  • H319 Causes serious eye irritation

Precautionary statements

  • P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P302+352 IF ON SKIN: Wash with soap and water
  • P304+341 IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing
  • P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

Documents

Safety Data Sheets (SDS)

Available in English, French, German, Italian, Spanish.

Certificate of Analysis (CoA) by batch

Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.

Synonyms

  • Acetonitril
  • ACETONITRILE
  • Cyanomethane
  • Cyanure de methyl
  • Ethanenitrile
  • Ethyl nitrile
  • Methane, cyano-
  • Methanecarbonitrile
  • Methyl cyanide
  • Methylkyanid

Frequently asked questions

What is acetonitrile for LC-MS primarily used for?

Acetonitrile is primarily used as a high-purity solvent in liquid chromatography-mass spectrometry (LC-MS) for separating, identifying, and quantifying compounds in analytical applications.

What is the chemical formula and molecular weight of acetonitrile?

The chemical formula is **CH₃CN**, and the molecular weight is **41.05 g/mol**.

How should acetonitrile for LC-MS be stored?

Store in a tightly sealed container at **ambient temperature**, away from ignition sources and incompatible substances.

What grades of acetonitrile for LC-MS does Molekula supply?

Molekula supplies **LC-MS grade acetonitrile**, meeting stringent purity requirements for analytical applications (typically ≥99.9% purity).

Can Molekula supply acetonitrile for LC-MS in bulk quantities?

Yes, Molekula can supply acetonitrile for LC-MS in **bulk quantities**, including drums and IBCs, depending on customer requirements.

What documentation comes with an order of acetonitrile for LC-MS?

Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a **Quality Assurance (QA) report** detailing purity and compliance with LC-MS specifications.

Ready to order or need a custom pack?

Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.

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