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1.02481

Chromium(III) nitrate nonahydrate

Name: Chromium(III) nitrate nonahydrate
Brand: MM

for analysis EMSURE^®

Sinónimos:

Chromium(III) nitrate nonahydrate, Chromic Nitrate

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Fórmula lineal:

Cr(NO₃)₃ · 9H₂O

Número CAS:

7789-02-8

Peso molecular:

400.15

UNSPSC Code:

12352302

EC Index Number:

236-921-1

NACRES:

NA.21

MDL number:

MFCD00149659

Assay:

≥98.0% (iodometric)

Form:

solid

Solubility:

810 g/L

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Propiedades

Quality Segment

300

product line

EMSURE^®

assay

≥98.0% (iodometric)

form

solid

potency

3250 mg/kg LD₅₀, oral (Rat)

impurities

≤0.05% Substances not precipitated by ammonia (as sulfates)

pH

2-3 (20 °C, 50 g/L in H₂O)

mp

36-37 °C

solubility

810 g/L

bulk density

710 kg/m³

anion traces

chloride (Cl^-): ≤0.002%, sulfate (SO₄^2-): ≤0.005%

cation traces

Cu: ≤0.001%, Fe: ≤0.01%, NH₄⁺: ≤0.002%

storage temp.

15-25°C

SMILES string

[Cr](O[N+](=O)[O-])(O[N+](=O)[O-])O[N+](=O)[O-]

InChI

1S/Cr.3NO3/c;3*2-1(3)4/q+3;3*-1

InChI key

PHFQLYPOURZARY-UHFFFAOYSA-N

Descripción

Analysis Note

Assay (iodometric): ≥ 98.0 %
pH-value (5 %; water): 2.0 - 3.0
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.01 %
NH₄ (Ammonium): ≤ 0.002 %
Substances not precipitated by ammonia (as sulfates): ≤ 0.05 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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Este artículo	1.03883	379972	8.22266
Supelco 1.02481 Chromium(III) nitrate nonahydrate	Supelco 1.03883 Iron(III) nitrate nonahydrate	Sigma-Aldrich 379972 Chromium(III) nitrate nonahydrate	Sigma-Aldrich 8.22266 Chromium(VI) oxide
form solid	form solid	form crystalline	form solid
solubility 810 g/L	solubility -	solubility H₂O: very soluble(lit.)	solubility -
assay ≥98.0% (iodometric)	assay 99.0-101.0% (complexometric)	assay ≥99.99% trace metals basis	assay -
Quality Level 300	Quality Level 300	Quality Level 100	Quality Level 200
anion traces chloride (Cl^-): ≤0.002%, sulfate (SO₄^2-): ≤0.005%	anion traces chloride (Cl^-): ≤0.0005%, phosphate (PO₄^3-): ≤0.005%, sulfate (SO₄^2-): ≤0.005%	anion traces -	anion traces -
impurities ≤0.05% Substances not precipitated by ammonia (as sulfates)	impurities ≤0.005% Insoluble matter, ≤0.1% Substances not precipitated by ammonia (as sulfate), ≤0.3% Free acid (as HNO₃)	impurities ≤100.0 ppm Trace Metal Analysis	impurities -

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pictograms

GHS03,GHS07

signalword

Warning

hcodes

H272 - H315 - H317 - H319 - H412

pcodes

P210 - P220 - P273 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B

Clase de almacenamiento

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c