Key Documents

View All Documentation

Chromium(III) nitrate nonahydrate

Name: Chromium(III) nitrate nonahydrate
Brand: MM

for analysis EMSURE^®

Synonym(s):

Chromium(III) nitrate nonahydrate, Chromic Nitrate

Select a Size

Change View

Size/SKU	Availability	Price

About This Item

Linear Formula:

Cr(NO₃)₃ · 9H₂O

CAS Number:

7789-02-8

Molecular Weight:

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

Pricing and availability is not currently available.

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

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

Description

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

Compare Similar Items

View Full Comparison

Show Differences

1 of 1

This Item	103883	379972	822266
Supelco 102481 Chromium(III) nitrate nonahydrate	Supelco 103883 Iron(III) nitrate nonahydrate	Sigma-Aldrich 379972 Chromium(III) nitrate nonahydrate	Sigma-Aldrich 822266 Chromium(VI) oxide
description for analysis EMSURE^®	description for analysis EMSURE^® ACS,Reag. Ph Eur	description ≥99.99% trace metals basis	description for synthesis
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
pH 2-3 (20 °C, 50 g/L in H₂O)	pH 1.3 (20 °C, 100 g/L in H₂O)	pH -	pH <1 (20 °C, 100 g/L in H₂O)
cation traces Cu: ≤0.001%, NH₄⁺: ≤0.002%, Fe: ≤0.01%	cation traces Ca: ≤0.005%, Cu: ≤0.005%, K: ≤0.005%, Mg: ≤0.001%, Mn: ≤0.02%, Na: ≤0.005%, Pb: ≤0.001%, Zn: ≤0.001%	cation traces -	cation traces -

Still not finding the right product?

Explore all of our products under Chromium(III) nitrate nonahydrate

pictograms

GHS03,GHS07

signalword

Warning

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

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

hcodes

H272,H315,H317,H319,H412

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.