| post date: | nov 30,2021 |
| expiry date: | nov 30,2022 |
| detailed description: |
cas no. :3081-61-6
quantity: 5 ton/monthmetric tons payment method: t/t appearance white crystalline powder specific rotation(a)d20 (c=1 , h2o ) +7.7o to +8.5o solubility (1.0g/20ml h2o) clear colorless melting point (oc) 211-216 oc chloride(c1) not more than 0.02% iron(fe) not more than 10ppm heavy metals( pb ) not more than 10ppm arsenic(as2o3 ) not more than 4ppm loss on drying( 100 ¡æ 3h) not more than 0.50% residue on ignition not more than 0.2% assay 98.0-102.0% ph 5.0~6.0 |
| cas registry number: | 3081-61-6 |
| synonyms: | ;theanine;l-theanine;n5-ethyl-l-glutamine;n-ethyl-l-glutamine;n'-ethyl-l-glutamine; |
| molecular formula: | c7h14n2o3 |
| molecular weight: | 174.1977 |
| molecular structure: | 
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| hazard symbols: | |
| risk codes: | r43:; |
| safety description: | s28:; s36/37:; |
