| Identification | More | [Name]
Ammonium paratungstate | [CAS]
11120-25-5 | [Synonyms]
TUNGSTEN
TUNGSTEN AA SINGLE ELEMENT STANDARD
TUNGSTEN, AAS STANDARD SOLUTION
TUNGSTEN AA STANDARD
TUNGSTEN ATOMIC ABSORPTION STANDARD
TUNGSTEN ATOMIC SPECTROSCOPY STANDARD
TUNGSTEN ICP/DCP STANDARD
TUNGSTEN ICP STANDARD
TUNGSTEN METAL
TUNGSTEN PLASMA EMISSION SPECTROSCOPY STANDARD
TUNGSTEN PLASMA EMISSION STANDARD
TUNGSTEN, PLASMA STANDARD SOLUTION
TUNGSTEN RIBBON
TUNGSTEN SINGLE ELEMENT STANDARD
TUNGSTEN STANDARD
TUNGSTEN STANDARD SOLUTION
W HC 40
Wolfram
tungstate(w12(oh)2o4019-),decaammonium
Tungstate,decaammonium | [EINECS(EC#)]
231-143-9 | [Molecular Formula]
H40N10O20W5 | [MDL Number]
MFCD00011461 | [Molecular Weight]
1419.57 | [MOL File]
11120-25-5.mol |
| Questions And Answer | Back Directory | [Preparation]
Ammonium paratungstate can be prepared by the reaction of tungstic acid and ammonia. 12H₂WO₄ + 10NH₃⋅H₂O → 5(NH₄)₂O⋅12WO₃⋅5H₂O |
| Chemical Properties | Back Directory | [Melting point ]
3410 °C(lit.)
| [Boiling point ]
5660 °C(lit.)
| [density ]
2.3 g/mL at 25 °C(lit.) | [vapor pressure ]
0Pa at 25℃ | [storage temp. ]
15-25°C | [solubility ]
soluble in H2O; insoluble in ethanol | [form ]
wire
| [color ]
White | [PH]
6 (20°C in H2O) | [Water Solubility ]
Soluble in water. Insoluble in alcohol | [Merck ]
13,567 | [Exposure limits]
ACGIH: TWA 3 mg/m3
NIOSH: TWA 1 mg/m3; STEL 3 mg/m3 | [InChI]
1S/10H3N.10H2O.31O.12W/h10*1H3;10*1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;10*+1/p-10 | [InChIKey]
WFKWXMTUELFFGS-UHFFFAOYSA-N | [CAS DataBase Reference]
11120-25-5(CAS DataBase Reference) | [EPA Substance Registry System]
11120-25-5(EPA Substance) |
| Safety Data | Back Directory | [Hazard Codes ]
F,Xi | [Risk Statements ]
R11:Highly Flammable.
R36/38:Irritating to eyes and skin .
R36/37/38:Irritating to eyes, respiratory system and skin . | [Safety Statements ]
S6:Keep under ... (inert gas to be specified by the manufacturer) .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing . | [RIDADR ]
UN 3089 4.1/PG 2
| [WGK Germany ]
-
| [RTECS ]
YO7175000
| [TSCA ]
Yes | [REACH Registrations]
Active | [HazardClass ]
8 | [PackingGroup ]
III | [HS Code ]
28418010 | [Storage Class]
11 - Combustible Solids |
| Hazard Information | Back Directory | [Chemical Properties]
White crystals. Soluble in water; insoluble in alcohol. | [Uses]
manufacture of tungsten alloys. | [Flammability and Explosibility]
Notclassified | [Purification Methods]
It crystallises from warm water on adding EtOH and cooling. |
|
| Company Name: |
Alfa Aesar
|
| Telephone: |
400-6106006 |
| Website: |
http://chemicals.thermofisher.cn |
| Company Name: |
Energy Chemical
|
| Telephone: |
400-0056266 |
| Website: |
www.energy-chemical.com |
| Company Name: |
Maya High Purity Chemicals
|
| Telephone: |
+86 (573) 82222445 (0)18006601000 452520369 |
| Website: |
www.chemicalbook.com/ShowSupplierProductsList15221/0_EN.htm |
| Company Name: |
Spectrum Chemical Manufacturing Corp.
|
| Telephone: |
021-021-021-67601398-809-809-809 15221380277 |
| Website: |
www.spectrumchemical.com/oa_html/index.jsp?minisite=10020&respid=22372&language=us |
|