71710
碘化钠
puriss. p.a., ≥99.0% (AT)
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线性分子式:
NaI
化学文摘社编号:
分子量:
149.89
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-679-3
MDL number:
Assay:
≥99.0% (AT)
Form:
crystals and lumps, powder
Solubility:
water: soluble(lit.)
InChI key
FVAUCKIRQBBSSJ-UHFFFAOYSA-M
InChI
1S/HI.Na/h1H;/q;+1/p-1
vapor density
>1 (vs air)
grade
puriss. p.a.
assay
≥99.0% (AT)
form
crystals and lumps, powder
impurities
≤0.002% total nitrogen (N)
loss
≤1% loss on drying, 110 °C
pH
6-9 (20 °C, 50 g/L)
mp
661 °C (lit.)
solubility
water: soluble(lit.)
anion traces
bromide, chloride (as Cl-): ≤100 mg/kg, iodate (IO3-): ≤2 mg/kg, sulfate (SO42-): ≤50 mg/kg
cation traces
Ca: ≤10 mg/kg, Cd: ≤1 mg/kg, Co: ≤1 mg/kg, Cr: ≤5 mg/kg, Cu: ≤1 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤10 mg/kg, Mn: ≤5 mg/kg, Ni: ≤1 mg/kg, Pb: ≤1 mg/kg, Zn: ≤1 mg/kg
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General description
碘化钠（NaI）是一种无机盐。可通过碳酸钠与碘化铁(II,III)反应制备。氯三甲基硅烷/碘化钠乙腈溶液是优于碘三甲基硅烷的试剂，可轻松裂解酯、内酯、氨基甲酸酯和醚。
Application
碘化钠（NaI）可用于制备氢氧化钠-碘化钠试剂，用于改进测定溶解氧的Winkler方法。它可用于制备二碘甲烷。
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2
存储类别
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Eagleson M.
Concise Encyclopedia Chemistry, 648-648 (1994)
Synthetic methods and reactions. 62. Transformations with chlorotrimethylsilane/sodium iodide, a convenient in situ iodotrimethylsilane reagent.
Olah GA, et al.
The Journal of Organic Chemistry, 44(8), 1247-1251 (1979)
The Chesapeake Bay Institute technique for the Winkler dissolved oxygen method.
Carpenter JH.
Limnology and Oceanography, 10(1), 141-143 (1965)
Eagleson M.
Concise Encyclopedia Chemistry, 999-999 (1994)
Caroline Serrano-Nascimento et al.
Molecular and cellular endocrinology, 349(2), 154-161 (2011-10-18)
Iodide excess acutely downregulates NIS mRNA expression, as already demonstrated. PCCl3 cells treated or not with NaI, NaI+NaClO(4) or NaI+Methimazole, for 30 min to 24 h, were used to further explore how iodide reduces NIS gene expression. NIS mRNA expression
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