(20823164 | 923-32-0)

CAS: 923-32-0
Molecular Formula: SS(CH2CH(NH2)COOH)2
Molecular Weight: 240.30
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
DL-Cystine Chemical Structure

20823164-25g 25g £77.80
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20823164-25g 25g $124.50
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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 20823164
Product Name DL-Cystine
Categories Amino Acids
CAS 923-32-0
Molecular Formula SS(CH2CH(NH2)COOH)2
Molecular Weight 240.30
Storage Details Ambient
Harmonised Tariff Code 2930901300

Product Specification
Specific rotation -5 to +5
Heavy metals 0.001% max
AS 0.0001% max
Fe 0.001% max
Loss on Drying 0.2%max
Assay min 98.5%
Residue on Ignition 0.1% max
Appearance White to off-white crystalline powder

Safety Information
Exclamation Mark
Signal word warning
Hazard statements
  • H302: Harmful if swallowed

  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/spray

  • P280: Wear protective gloves/protective clothing/eye protection/face protection

  • P302+352: IF ON SKIN: Wash with soap and water

  • P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing

  • P332+313: IF skin irritation occurs: Get medical advice/attention

  • P337+313: If eye irritation persists get medical advice/attention