柠檬酸，Citric acid；anhydrous, free-flowing, Redi-Dri™, ACS reagent, ≥99.5%

等级

ACS reagent
anhydrous

质量水平

200

产品线

Redi-Dri^™

测定

≥99.5%

形式

crystals

质量

free-flowing

expl. lim.

8 %, 65 °F

杂质

Substances carbonizable by hot sulfuric acid, passes test

灼烧残渣

≤0.02%

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

mp

153-159 °C (lit.)

痕量阴离子

chloride (Cl^-): ≤0.001%
oxalate (C₂O₄^2-): passes test (limit about 0.003%)
phosphate (PO₄^3-): ≤0.001%
sulfate (SO₄^2-): ≤0.002%

痕量阳离子

Fe: ≤3 ppm
Pb: ≤2 ppm

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

象形图

GHS07

警示用语：

Warning

危险声明

H319 - H335

预防措施声明

P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338

危险分类

Eye Irrit. 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 1