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CAS No 7788-98-9 , diazanium

  • Name: diazanium
  • Synonyms: diammonium salt; Neutral ammonium chromate; Chromic acid (H2CrO4); Ammonium chromate(VI); EINECS 232-138-4; HSDB 482;dioxido(dioxo)chromium;Diammonium chromate;diazanium;
  • CAS Registry Number:
  • Transport: UN 1479
  • Safety Statements: Mutation data reported. When heated to decomposition it emits toxic vapors of NH4.Analytical Methods:   For occupational chemical analysis use NIOSH: chromium hexavalent 7024.
  • Hazard Symbols: Toxic by inhalation, strong irritant. TLV: TWA 0.05 mg(Cr)/m3; Confirmed Human Carcinogen.
  • EINECS: 232-138-4
  • Molecular Weight: 152.07062
  • InchiKey: MFFLHUNPSHBKRG-UHFFFAOYSA-P
  • InChI: InChI=1S/Cr.2H3N.4O/h;2*1H3;;;;/q;;;;;2*-1/p+2
  • Risk Statements: 49-8-43-50/53
  • Molecular Formula: CrH8N2O4
  • Molecular Structure:CAS No:7788-98-9 diazanium
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7788-98-9 Ammonium Chromate

  • Ammonium Chromate
  • Germany Fox Chemicals [Manufacturer]
  • Tel: +49-7240-927151
  • Fax: +49-7240-927150
  • Address: Bockstalstr. 10A76327 Pfinztal-Kst.GERMANY Pfinztal-Kst.,nullGermany
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7788-98-9 Ammonium chromate

  • Ammonium chromate, 99%
  • China trademaxchem [Manufacturer]
  • Tel: 0086 21 52387770 x 1009
  • Fax: 0086 21 52387129
  • Address: 728 Yan-an Road (West), Huamin Empire Plaza, Suite 7B, Shanghai 200050, China. 200050 ShanghaiCHINA Shanghai,nullChina
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7788-98-9 Ammonium Chromate

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7788-98-9 Ammonium chromate

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7788-98-9 Ammonium chromate

  • China Beijing Fengli Jingqiu Trade Co., Ltd. [Manufacturers]
  • Tel: 86-10-87973855 13911369153
  • Fax: +86-10-87969886/87969887
  • Address: -7#-8#, 39#, Wudian Road, Jiugong Town, Daxing District, Beijing BeiJing,BeiJingChina
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7788-98-9 (0107) AMMONIUM CHROMATE

  • Germany Fox Chemicals GmbH [Manufacturer]
  • Tel: +49.7240.927151/ +49.160.95781845 (Mobile)
  • Fax: +49.7240.927150
  • Address: Fox Chemicals GmbH
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    D-76327 Pfinztal-Germany null,nullGermany
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7788-98-9 AMMONIUM CHROMATE

  • United States Noah Technologies Corp. [Manufacturer]
  • Tel: 210-691-2000
  • Fax: 210-691-2600
  • Address: 1 Noah Park
    San Antonio, TX 78249-3419 null,nullUnited States
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7788-98-9 Ammonium chromate; 98%

  • Ammonium chromate; 98%
  • Germany ABCR GmbH & Co KG [Manufacturer]
  • Tel: +49 721 95061-0
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  • Address: Im Schlehert 10
    76187 Karlsruhe
    Germany null,nullGermany
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7788-98-9 AMMONIUM CHROMATE

  • AMMONIUM CHROMATE
  • Germany CHEMOS GmbH [Manufacturer]
  • Tel: 0049 9402/9336 0
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  • Address: CHEMOS GmbH
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    93128 Regenstauf
    Germany null,nullGermany
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7788-98-9 Ammonium chromate

  • Ammonium chromate, GR 99.5+%
  • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
  • Tel: (852) 2390 2293/ (852) 2394 5546
  • Fax: (852) 2789 8314
  • Address: Unit B, 1/F., Cheong Shing Bldg.,
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References of diazanium
Title: Ammonium Chromate(VI)
CAS Registry Number: 7788-98-9
Synonyms: Neutral ammonium chromate
Molecular Formula: CrH8N2O4
Molecular Weight: 152.07
Percent Composition: Cr 34.19%, H 5.30%, N 18.42%, O 42.08%
Line Formula: (NH4)2CrO4
Literature References: Prepn: Gmelins, Chromium (8th ed.) 52, part B, pp 707-712 (1962).
Properties: Yellow acicular crystals; loses some NH3 in air; decomposes at 185°. d 1.8. Soly in water: 19.78% (0°); 41.20% (75°). Sparingly sol in liquid ammonia, acetone. Slightly sol in methanol. Practically insol in ethanol. The aq soln is alkaline. Keep well closed.
Density: d 1.8
Use: Sensitizing gelatin in photography, in textile printing pastes, in fixing chromate dyes on wool, and as a reagent in analytical chemistry.