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Ammonium Alum

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Formula: AlNH4.(SO4)2.12(H2O)
CAS: 7784-26-1
search Element: ammonium alum
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Identification

Structural Formula
Ammonium Alum
CAS:
7784-26-1
EINECS:
Molecular Formula:
AlNH4.(SO4)2.12(H2O)
MDL:
MFCD00149958
Synonym:
Sulfuricacid, aluminum ammonium salt (2:1:1), dodecahydrate (8CI,9CI) ; Aluminum ammoniumbis(sulfate) dodecahydrate ; Aluminum ammonium disulfate dodecahydrate ; Aluminumammonium sulfate (Al(NH4)(SO4)2) dodecahydrate ; Sulfuric acid, aluminumammonium salt, hydrate (2:1:1:12) ; Ammonia alum ; Ammonium alum ; Ammonium alum (NH4Al(SO4)2.12H2O) ; Ammonium aluminum disulfate dodecahydrate ; Ammonium aluminum sulfatedodecahydrate ; Ammonium aluminum sulfate hydrate ; Monoaluminum monoammoniumdisulfate dodecahydrate ; ; Aluminium ammonium sulfate dodecahydrate




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Properties for Ammonium Alum

Molecular Weight:
453.33 g·mol−1
Density:
1.64 g/cm3
Melting point:
93.5 °C(lit.)
Boiling point:
330 °C at 760 mmHg
Solubility:
0.1 M at 20 °C in water
Physical Description:
white crystals or powder
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Hazard Statements

GHS07

GHS03
Harmful
  • Acute toxicity (oral, dermal, inhalation), category 4
  • Skin irritation, categories 2, 3
  • Eye irritation, category 2A
  • Skin sensitization, category 1
  • Specific target organ toxicity following single exposure, category 3
    - Respiratory tract irritation
    - Narcotic effects
    • Not used
  • with the "skull and crossbones" pictogram
  • for skin or eye irritation if:
  • the "corrosion" pictogram also appears
  • the "health hazard" pictogram is used to indicate respiratory sensitization

Safety & Transport Information

Risk Codes:
R34 - Causes burns
R36/37/38 - Irritating to eyes, respiratory system and skin
Safety Codes:
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
S27 - Take off immediately all contaminated clothing
S36 - Wear suitable protective clothing
S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection
S45 - In case of accident or if you feel unwell seek medical advice immediately (show the label where possible)
Hazard Symbols:
Xi, C
Hazard symbol C Hazard symbol Xi
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Alternative Distributors of [Ammonium Alum]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Cfm Oskar Tropitzsch GmbH | Jinan Great Chemical Co., Ltd. | Molekula GmbH | scienTEST | Jinan Haohua Industry Co., Ltd. | Carl Roth GmbH + Co KG | Xiamen Hisunny Chemical Co., Ltd.

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