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7775-11-3 - Sodium chromate, anhydrous, 98% - A10547 - Alfa Aesar

A10547 Sodium chromate, anhydrous, 98%

CAS Number
7775-11-3
Synonyms

Size Price ($) Quantity Availability
100g 36.67
500g 140.08
2500g 451.20
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Sodium chromate, anhydrous, 98%

MDL
MFCD00003484
EINECS
231-889-5

Chemical Properties

Formula
Na2CrO4
Formula Weight
161.97
Melting point
792°
Density
2.72
Solubility
Soluble in water. Slightly soluble in methanol and ethanol.

Applications

Sodium chromate anhydrous is used as a corrosion inhibitor in the petroleum industry, wood preservative and dyeing auxiliary in the textile industry. It is also used to prepare pigments for paints and inks. It also finds use in pharmaceuticals to determine red blood cell volume. In synthetic chemistry, it is utilized as an oxidant to convert primary alcohols and secondary alcohols to carboxylic acids and ketones respectively.

Notes

Hygroscopic. Incompatible with combustible materials and reducing agents.

Literature References

Steinberger, R.; Duchoslav, J.; Greunz, T.; Arndt, M.; Stifter, D. Investigation of the chemical stability of different Cr(VI) based compounds during regular X-ray photoelectron spectroscopy measurements. Corros. Sci. 2015, 90, 562-571.

Zhang, X. F.; Qin, R. S. Segregation of copper in an Fe-Cu alloy under pulsed electric current. Philos. Mag. Lett. 2015, 95 (7), 367-375.

GHS Hazard and Precautionary Statements

Hazard Statements: H301-H330-H312-H317-H334-H340-H350-H360-H372-H314-H318-H400-H410

Toxic if swallowed. Fatal if inhaled. Harmful in contact with skin. May cause an allergic skin reaction. May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause genetic defects. May cause cancer. May damage fertility or the unborn child. Causes damage to organs through prolonged or repeated exposure. Causes severe skin burns and eye damage. Causes serious eye damage. Very toxic to aquatic life. Very toxic to aquatic life with long lasting effects.

Precautionary Statements: P260-P284-P301+P310-P303+P361+P353-P304+P340-P305+P351+P338-P320-P330-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Wear respiratory protection. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Specific treatment is urgent (see label). Rinse mouth. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Merck
14,8601
Hazard Class
6.1
Packing Group
II
Harmonized Tariff Code
2841.50
TSCA
Yes
RTECS
GB2955000

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