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Merck
CN

32318

乙酸钠 三水合物

greener alternative

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., ≥99.5%

别名:

醋酸 钠盐 三水合物

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关于此项目

线性分子式:
CH3COONa · 3H2O
化学文摘社编号:
分子量:
136.08
UNSPSC Code:
12352300
NACRES:
NA.21
PubChem Substance ID:
EC Number:
204-823-8
Beilstein/REAXYS Number:
3732037
MDL number:
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Quality Level

agency

USP/NF, reag. ISO, reag. Ph. Eur.

grade

ACS reagent, puriss. p.a.

assay

≥99.5%

form

crystalline

autoignition temp.

1112 °F

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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impurities

≤0.0005% heavy metals (as Pb), ≤0.005% KMnO4 red. matter (as HCOOH), ≤0.005% in water soluble matter

loss

39.0-40.5% loss on drying, 130 °C

pH

7.5-9.0 (20 °C, 5%)

anion traces

chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤5 mg/kg, sulfate (SO42-): ≤20 mg/kg

cation traces

Al: ≤0.2 mg/kg, As: ≤2 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

suitability

in accordance for appearance of solution

greener alternative category

SMILES string

O.O.O.[Na+].CC([O-])=O

InChI

1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1

InChI key

AYRVGWHSXIMRAB-UHFFFAOYSA-M

General description

乙酸钠三水合物可以从乙酸钠在水中的结晶获得。 在75℃加热时,它会熔化,而加热到120℃以上时,它会失去结晶水并转化成无水形式。 已经通过记录其辐照单晶的ESR光谱来评估超精细质子和13C分裂。ESR研究表明存在捕获的甲基自由基。它的晶体是单斜晶体,并且已通过照相法研究了它的晶体结构。已经评估了单胞参数。
We are committed to bringing you Greener Alternative Products, which belong to one of the four categories of greener alternatives. Sodium acetate trihydrate supports sustainable technologies as an eco-friendly phase change material for thermal energy storage, offering efficient heat retention and release while reducing energy waste and promoting cleaner energy solutions.Click here for more information.

Application

乙酸钠三水合物可用于制备硅氧烷/乙酸钠三水合物混合物,这是一种水响应型的形状记忆混合物。

Other Notes

乙酸激酶的酶底物(酶代码 EC 2.7.2.1)


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存储类别

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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Methyl radical in irradiated single crystals of sodium acetate trihydrate.
Rogers MT and Kispert LD.
J. Chem. Phys. , 46(1), 221-223 (1967)
Water-responsive shape memory hybrid: Design concept and demonstration.
Fan K, et al.
Express Polymer Letters, 5(5), 409-416 (2011)



全球贸易项目编号

货号GTIN
32318-2.5KG-R04061835562725
32318-1KG-R04061826708392
32318-500G-R04061826708408