品牌 |  |
产品名称 |
乙二胺四乙酸 : Ethylenediaminetetraacetic acid ——【产品编号:SIGMA-ALDRICH-E9884】
|
CAS编号 | 60-00-4 |
别名 | EDTA,Ethylenedinitrilotetraacetic acid,Edathamil, (Ethylenedinitrilo)tetraacetic acid,亚乙基二次氮基四乙酸,依地酸,乙二胺四醋酸,EDTA free acid |
级别 | ACS 级 |
纯度&分析 | ACS reagent, 99.4-100.6%, powder |
Tips | 钙螯合剂,用于消除因痕量重金属引起的对酶催化反应的抑制。 |
分子式 | (HO2CCH2)2NCH2CH2N(CH2CO2H)2
|
分子量 | 292.24 |
储存条件 | 常温避光保存。 |
性质 |
grade |
ACS reagent |
assay |
99.4-100.6% |
form |
powder |
impurities |
≤0.005% Insol. dil. NH4OH |
|
≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N) |
ign. residue |
≤0.2% |
mp |
250 °C (dec.)(lit.) |
cation traces |
Ca: ≤0.001% |
|
Fe: ≤0.005% |
|
Mg: ≤5 ppm |
|
heavy metals (as Pb): ≤0.001% |
|
原产地 | 美国 |
描述 |
Application
Calcium chelator used to eliminate inhibition of enzyme catalyzed reactions due to traces of heavy metals.
|
供货状态 | True |
参考文献 | N/A |
类型 | BSZH 有机化学试剂 |
安全信息 |
Symbol |
 |
Signal word |
Warning |
Hazard statements |
H319 |
Precautionary statements |
P305 + P351 + P338 |
Personal Protective Equipment |
dust mask type N95 (US), Eyeshields, Gloves |
Hazard Codes (Europe) |
Xi |
Risk Statements (Europe) |
36 |
Safety Statements (Europe) |
26 |
WGK Germany |
2 |
RTECS |
AH4025000 |
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