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DL-Cystine, Thermo Scientific Chemicals

Product Code. 15485759
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Quantity:
5 g
25 g
100 g
This item is not returnable. View return policy
This item is not returnable. View return policy

DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
DL-cystine is used in the preparation of sulfur-containing dimeric and monomeric surfactants.

Solubility
Soluble in dilute acid and alkali solution, highly soluble in water, not soluble in alcohol.

Notes
Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Keep away from strong oxidizing agents.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 923-32-0
Molecular Formula C6H12N2O4S2
Molecular Weight (g/mol) 240.292
MDL Number MFCD00084652
InChI Key LEVWYRKDKASIDU-UHFFFAOYSA-N
Synonym dl-cystine, cystine, d-cystine, 3,3'-disulfanediylbis 2-aminopropanoic acid, dicysteine, cystin, h-dl-cys-oh 2, .beta.,.beta.'-dithiodialanine, cystine, dl, cystine, l
PubChem CID 595
ChEBI CHEBI:17376
IUPAC Name 2-amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid
SMILES C(C(C(=O)O)N)SSCC(C(=O)O)N

Specifications

Melting Point 227°C (decomposition)
Color White
Beilstein 1728095
Merck Index 14,2782
Solubility Information Soluble in dilute acid and alkali solution,highly soluble in water,not soluble in alcohol.
Formula Weight 240.3
Quantity 5 g
Physical Form Powder
Chemical Name or Material DL-Cystine
compliance-icons
Product Identifier
  • DL-Cystine
Signal Word
  • Warning
Hazard Category
  • Acute toxicity Category 4
  • Serious eye damage/eye irritation Category 2
  • Skin corrosion/irritation Category 2
  • Specific target organ toxicity Category 3
Hazard Statement
  • H302-Harmful if swallowed.
  • H315-Causes skin irritation.
  • H319-Causes serious eye irritation.
  • H335-May cause respiratory irritation.
Precautionary Statement
  • P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
  • P280-Wear protective gloves/protective clothing/eye protection/face protection.
  • P301+P312-IF SWALLOWED: Call a POISON CENTER or doctor/physician/ if you feel unwell.
  • P302+P352-IF ON SKIN: Wash with plenty of water/soap.
  • P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Supplemental information
  • MIXTURE LIST-Contains : DL-Cystine

RUO – Research Use Only

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