- 包裝規(guī)格:25kg紙板桶
- 價(jià)格:0.00
- 付款方式:款到發(fā)貨
- 訂單交貨周期:現(xiàn)貨
- 認(rèn)證/標(biāo)準(zhǔn):
- 合同定制:CMO
- 主要銷售市場(chǎng):北美洲,中/南美洲,東歐,亞洲,中東,非洲
- 提供樣品:是
- 樣品政策:
CAS號(hào): 4042-36-8
分子式: C5H7NO3
英文名稱: 5-Oxo-D-proline
英文同義詞: D-5-Pyrrolidone-2-carboxylic acid; D-Pyroglutamic acid; (R)-(+)-2-Pyrrolidinone-5-carboxylic acid; H-D-Pyr-OH; ; 2-oxopyrrolidine-1-carboxylic acid
EINECS號(hào): 223-735-0
分子量: 129.114
熔點(diǎn): 155-162℃
沸點(diǎn): 270.098°C at 760 mmHg
密度: 0.002mmHg at 25°C
閃點(diǎn): 117.151°C
Appearance | White crystals |
Specific rotation[α]D/20 (C=2 in H2O) | +10.8°to +12.3° |
Melting Point (ºC) | 159 to 161 ºC |
Chloride(C1) | Not more than 0.02% |
Sulfate(SO4) | Not more than 0.02% |
Iron(Fe) | Not more than 10ppm |
Heavy metals(Pb) | Not more than 10ppm |
Arsenic(As2O3) | Not more than 1ppm |
Loss on drying | Not more than 0.50% |
Residue on ignition | Not more than 0.10% |
Assay | 98.0%~101.0% |
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