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31434 Sigma-Aldrich

Sodium chloride

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

Synonym: Halite

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Properties

Related Categories Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Essential Chemicals, Puriss p.a. ACS,
grade   ACS reagent, reag. ISO, reag. Ph. Eur.
InChI Key   FAPWRFPIFSIZLT-UHFFFAOYSA-M
grade   puriss. p.a.
assay   ≥99.5%
impurities   acidity or alkalinity, complies
  ≤0.0001% hexacyanoferrate(II)
  ≤0.001% total nitrogen (N)
  ≤0.005% free acid (as HCl)
  ≤0.005% free alkali (as NaOH)
  ≤0.005% in water insoluble matters
  ≤0.01% Mg, alkaline earth metals (as Ca)
loss   ≤0.2% loss on drying, 130 °C
pH   5.0-8.0 (25 °C, 5%)
mp   801 °C (lit.)
solubility   water: soluble 100 mg/mL, clear, colorless
anion traces   bromide (Br-): ≤50 mg/kg
  chlorate, nitrate (as NO3-): ≤30 mg/kg
  iodide (I-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  sulfate (SO42-): ≤10 mg/kg
cation traces   Al: ≤0.2 mg/kg
  As: ≤0.5 mg/kg
  Ba: ≤10 mg/kg
  Ca: ≤20 mg/kg
  Fe: ≤1 mg/kg
  K: ≤50 mg/kg
  Mg: ≤5 mg/kg
  heavy metals: ≤3 ppm (by ICP-OES)
suitability   complies for appearance of solution

Description

Packaging

1, 6×1, 5, 4×5 kg in poly bottle

500 g in poly bottle

This product is also available in glass bottles.

Application

Sodium chloride was used in the dissolution of polymers such as poly(allylamine hydrochloride), sodium poly(styrenesulfonate) and poly(acrylic acid).

General description

Crystals of sodium chloride belong to the cubic crystal system. It is widely employed preservative for meat, vegetable and fish products. Its effect on the growth of salmonellae (mixed inoculum of Salmonella thompson, S. stanley and S. infantis) has been investigated in laboratory medium.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
1
RTECS 
VZ4725000
Protocols & Articles
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