| post date: | nov 30,2021 |
| expiry date: | nov 30,2022 |
| detailed description: |
cas no. :98-79-3
payment method: t/t appearance white crystalline powder specific rotation(a)d20 (c=5 h2o) -11.0 to -12.0º chloride(c1) not more than 0.02% ammonium(nh4) not more than 0.02% sulfate(so4) not more than 0.02% heavy metals(pb) not more than 10ppm iron(fe) not more than 10ppm arsenic(as2o3) not more than 1 ppm loss on drying not more than 0.5% residue on ignition not more than 0.1% assay 99.0-101.0% |
| cas registry number: | 98-79-3 |
| synonyms: | ;5-oxo-l-proline;pyroglutamicacid;pidolic acid;glutiminic acid;5-oxoproline;pyr-oh;l-pyroglutamic acid;h-pyr-oh;l-2-pyrrolidone-5-carboxylic acid;(s)-(-)-2-pyrrolidinone-5-carboxylic acid;l-pyrpglutamic acid;5-oxopyrrolidine-2-carboxylic acid;5-pyrrolidone-2-carboxylic acid;l-5-pyrrolidone-2-carboxylic acid;pyroglutamic acid;pyrrolidonecarboxylic acid;l-pyro glutamic acid;(2s)-5-oxopyrrolidine-2-carboxylate; |
| molecular formula: | c5h6no3 |
| molecular weight: | 128.1066 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r36/37/38:; |
| safety description: | s26:; s36:; |
