Silicotungstic acid

Modify Date: 2024-01-02 19:29:57

Silicotungstic acid Structure
Silicotungstic acid structure
Common Name Silicotungstic acid
CAS Number 12027-38-2 Molecular Weight 2896.19000
Density 2.099 g/cm3 Boiling Point 100ºC at 760 mmHg
Molecular Formula H6O41SiW12 Melting Point N/A
MSDS Chinese Flash Point N/A

 Names

Name Silicotungstic Acid Hydrate
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.099 g/cm3
Boiling Point 100ºC at 760 mmHg
Molecular Formula H6O41SiW12
Molecular Weight 2896.19000
Exact Mass 2897.23000
PSA 610.59000
Water Solubility H2O: 0.1 g/mL, clear, colorless

 MSDS

Name: Dodeca-tungstosilicic Acid Material Safety Data Sheet
Synonym:
CAS: 12027-38-2
Section 1 - Chemical Product MSDS Name:Dodeca-tungstosilicic Acid Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
12027-38-2 Dodeca-tungstosilicic Acid 234-719-8
Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Corrosive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin irritation. Causes skin burns.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Causes gastrointestinal tract burns.
Inhalation:
Causes respiratory tract irritation.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Get medical aid immediately. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 12027-38-2: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: white to pale yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Very soluble in water
Specific Gravity/Density: Not available.
Molecular Formula: Not applicable.
Molecular Weight:

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizer materials Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 12027-38-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Dodeca-tungstosilicic Acid - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 12027-38-2: No information available.
Canada
CAS# 12027-38-2 is listed on Canada's DSL List.
CAS# 12027-38-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 12027-38-2 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Safety Information

Hazard Codes Xi: Irritant;
Risk Phrases 36/37/38
Safety Phrases 26-36
WGK Germany 3

 Synonyms

Silicotungstic acid
MFCD00150392
SILICOTUNGSTIC ACID HYDRATE