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Molekula

Molekula

Osmium tetroxide

CAS 20816-12-0 OsO4 MW 254.23 Made to order
CoA by batch

Overview

A high-purity uncategorised supplied by Molekula across research and bulk scale.

Specifications

Property Value
Appearance Yellow crystals
Melting Point 40°C - 42°C
Heavy metals ≤0.005%
Solubility Passes test
Purity ≥99.90%
Non-Volatile Matter ≤0.2%
Ruthenium (Ru) ≤0.01%
Osmium (Os) 74.2 - 75.4%

Storage & handling

Property Value
Storage Temperature 2 to 8 °C
Transport Class 6.1
Packing Group I
Shelf Life 24 months
Acidity Acid

Identification

Property Value
CAS Number 20816-12-0
Molecular Formula OsO4
Molecular Weight 254.23
SMILES O=[Os](=O)(=O)=O
EC / UN Number 2471
REACH Code Y110
TSCA Listed Yes
HTS Code 28439000
Tariff Code 2843909000

Safety & GHS

Danger
  • GHS pictogram — Flammable Flammable GHS02
  • GHS pictogram — Compressed Gas Compressed Gas GHS04
  • GHS pictogram — Corrosive Corrosive GHS05

Hazard statements

  • H300 + H310 + H330 Fatal if swallowed, in contact with skin or if inhaled
  • H314 (sub cat. 1B) Causes severe skin burns and eye damage
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

  • P260 Do not breathe dust/fume/gas/mist/vapours/spray
  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
  • P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
  • P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing

For research and industrial use only

Not for use in food, drugs, household, or in or on humans or animals. Consult the Safety Data Sheet before handling.

Documents

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.

Pricing & pack sizes

Pack sizes & pricing

  • 2 g

    £1,451.00 · per pack

Prices exclude VAT/sales tax and shipping. Bulk and custom pack sizes available on request.

Synonyms

No alternate names recorded for this product.

Frequently asked questions

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