Ammonium chronate - ≥99% , CAS No.7788-98-9

CAS: 7788-98-9 Cat. No.: A757435 Formula: H₈CrN₂O₄ Peso molecolare: 152.07 Numero EC: 232-138-4

GRADE & PURITY ≥99%

Synonyms

Neutral ammonium chromate

Storage

Room temperature,Desiccated

Shipped In

Normal

Panoramica

Usually usd as reagent for the preparation of a solid heterogeneous oxidizing agent for liquid phase oxidation of alcohols.

Specifications

Sinonimi

Neutral ammonium chromate

Specifiche e purezza

≥99%

Condizioni di conservazione di stoccaggio

Room temperature,Desiccated

Spedito in

Normal

Purezza

≥99%

Nomi e identificatori

• WGK Germania: 3
• RTECS: GB2880000
• Numero UN: 3085
• Gruppo di imballaggio: I
• Peso molecolare: 152.07

Proprietà chimiche e fisiche

• Solubilità: Soluble in water. Slightly soluble in liquid ammonia, acetone, methanol. Insoluble in ethanol., Soluble in water. Slightly soluble in liquid ammonia, acetone, methanol. Insoluble in ethanol.
• Punto di fusione (°C): 180℃

Riferimenti

1. Bin Li, Hongyu Ren, Shengda Guo, Jianbo Zhang, Zhihui Zhou, Bin Zeng, Xiangfei Guo.  (2025)  Synthesis of near-spherical W-Cr2O3 composite powders with varying Cr doping levels and their application in cemented carbides.  INTERNATIONAL JOURNAL OF REFRACTORY METALS & HARD MATERIALS,      [PMID:] [10.1016/j.ijrmhm.2025.107456]

2. Sen Tian, Xuemei Ye, Yaping Dong, Wu Li, Bo Zhang, Bo Li, Haitao Feng.  (2023)  Production and Characterization of Chromium Oxide (Cr2O3) via a Facile Combination of Electrooxidation and Calcination.  International Journal of Electrochemical Science,      [PMID:] [10.20964/2019.09.21]

3. Xiaohua Cao, Tianhao Ai, Zhizhi Xu, Jichang Lu, Dingkai Chen, Dedong He, Jiangping Liu, Rui Tian, Yutong Zhao, Yongming Luo.  (2022)  Insights into the different catalytic behavior between Ce and Cr modified MCM-41 catalysts: Cr2S3 as new active species for CH3SH decomposition.  SEPARATION AND PURIFICATION TECHNOLOGY,      [PMID:] [10.1016/j.seppur.2022.122742]

Domande frequenti

What is the purity of this product?

This product is supplied at ≥99% purity (chemical assay). Lot-specific values are stated on the Certificate of Analysis.

How should this product be stored?

Store at room temperature, desiccated. Keep the container tightly closed with desiccant — the material is moisture-sensitive.

How is this product shipped?

This product ships under standard ambient conditions. No temperature-controlled packaging is required.

What are the CAS number, molecular formula and molecular weight?

The CAS Number is 7788-98-9, the molecular formula is H8CrN2O4, and the molecular weight is 152.07 g/mol.

What documentation is provided?

Available product documentation, including Certificates of Analysis (COA), Safety Data Sheets (SDS), and specification sheets, is shown in the product document area. Document availability and access follow the current site policy.