Name:
Silicagel functionalized 20% Pyridinium dichromate
Synonym:
Pyridinium dichromate, solid supported on silicage
CAS:
7631-86-9
Section 1 - Chemical Product
MSDS Name:Silicagel functionalized 20% Pyridinium dichromate
Synonym:Pyridinium dichromate, solid supported on silicage
Synonym:Pyridinium dichromate, solid supported on silicage
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
| CAS# | Chemical Name | emsds | EINECS# |
| 7631-86-9 | Silicagel | 80 | 231-545-4 |
| Hazard Symbols: T O N Risk Phrases: 43 8 49 51/53 |
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
May cause sensitization by skin contact. Contact with combustible material may cause fire. May cause cancer by inhalation. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin. May cause sensitization by skin contact.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.
May cause sensitization by skin contact. Contact with combustible material may cause fire. May cause cancer by inhalation. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin. May cause sensitization by skin contact.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.
Section 4 - FIRST AID MEASURES
Eyes: Immediately 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. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Notes to Physician:
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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. Strong oxidizer. Contact with other material may cause fire.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with other material may cause fire.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.
Section 7 - HANDLING and STORAGE
Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 7631-86-9: United Kingdom, WEL - TWA: 6 mg/m3 TWA (inhalable dust); 2.4 mg/m TWA (respirable dust) United Kingdom, WEL - STEL: 18 mg/m3 STEL (inhalable dust); 7.2 m STEL (respirable dust) Germany: 4 mg/m3 TWA (inhalable fraction) Russia: 1 mg/m3 TWA CAS# 20039-37-6: United Kingdom, WEL - TWA: (listed as chromium (vi) compounds): 0 mg/m3 TWA (as Cr) United Kingdom, WEL - STEL: (listed as chromium (vi) compounds): mg/m3 STEL (as Cr) Belgium - TWA: (listed as chromium (vi) compounds- water soluble) 0.05 mg/m3 VLE (as Cr) France - VME: (listed as chromium (vi) compounds): 0.05 mg/m3 VME Cr) Germany: (listed as chromium (vi) compounds): 0.05 mg/m3 VME (as Japan: (listed as chromium (vi) compounds): 0.05 mg/m3 OEL (as Cr 0.01 mg/m3 OEL (certain compounds, as Cr) Malaysia: (listed as chromium (vi) compounds- water soluble): 0.0 mg/m3 TWA (as Cr) Netherlands: (listed as chromium (vi) compounds- water soluble): mg/m3 STEL Netherlands: (listed as chromium (vi) compounds- water soluble): 0.025 mg/m3 MAC Spain: (listed as chromium (vi) compounds- water soluble): 0.05 m VLA-ED (as Cr) Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
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.
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 7631-86-9: United Kingdom, WEL - TWA: 6 mg/m3 TWA (inhalable dust); 2.4 mg/m TWA (respirable dust) United Kingdom, WEL - STEL: 18 mg/m3 STEL (inhalable dust); 7.2 m STEL (respirable dust) Germany: 4 mg/m3 TWA (inhalable fraction) Russia: 1 mg/m3 TWA CAS# 20039-37-6: United Kingdom, WEL - TWA: (listed as chromium (vi) compounds): 0 mg/m3 TWA (as Cr) United Kingdom, WEL - STEL: (listed as chromium (vi) compounds): mg/m3 STEL (as Cr) Belgium - TWA: (listed as chromium (vi) compounds- water soluble) 0.05 mg/m3 VLE (as Cr) France - VME: (listed as chromium (vi) compounds): 0.05 mg/m3 VME Cr) Germany: (listed as chromium (vi) compounds): 0.05 mg/m3 VME (as Japan: (listed as chromium (vi) compounds): 0.05 mg/m3 OEL (as Cr 0.01 mg/m3 OEL (certain compounds, as Cr) Malaysia: (listed as chromium (vi) compounds- water soluble): 0.0 mg/m3 TWA (as Cr) Netherlands: (listed as chromium (vi) compounds- water soluble): mg/m3 STEL Netherlands: (listed as chromium (vi) compounds- water soluble): 0.025 mg/m3 MAC Spain: (listed as chromium (vi) compounds- water soluble): 0.05 m VLA-ED (as Cr) Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
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: off-white
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:
Specific Gravity/Density:
Molecular Formula:
Molecular Weight:
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures. Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid:
Incompatible materials, combustible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, silicon dioxide, chromium dioxide.
Hazardous Polymerization: Will not occur.
Stable under normal temperatures and pressures. Hygroscopic: absorbs moisture or water from the air.
Conditions to Avoid:
Incompatible materials, combustible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, silicon dioxide, chromium dioxide.
Hazardous Polymerization: Will not occur.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 7631-86-9: EU8655000 VV7565000 CAS# 20039-37-6 unlisted.
LD50/LC50:
CAS# 7631-86-9: Draize test, rabbit, eye: 25 mg/24H Mild.
CAS# 20039-37-6.
Carcinogenicity:
Silicagel - Not listed by ACGIH, IARC, or NTP.
Pyridinium dichromate - California: carcinogen, initial date 2/27/87 (listed as Chromium (VI) NTP: Known carcinogen (listed as Chromium (VI) compounds).
IARC: Group 1 carcinogen (listed as Chromium (VI) compounds).
Other:
See actual entry in RTECS for complete information.
CAS# 7631-86-9: EU8655000 VV7565000 CAS# 20039-37-6 unlisted.
LD50/LC50:
CAS# 7631-86-9: Draize test, rabbit, eye: 25 mg/24H Mild.
CAS# 20039-37-6.
Carcinogenicity:
Silicagel - Not listed by ACGIH, IARC, or NTP.
Pyridinium dichromate - California: carcinogen, initial date 2/27/87 (listed as Chromium (VI) NTP: Known carcinogen (listed as Chromium (VI) compounds).
IARC: Group 1 carcinogen (listed as Chromium (VI) compounds).
Other:
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: OXIDIZING SOLID, N.O.S.*
Hazard Class: 5.1
UN Number: 1479
Packing Group: III
IMO
Shipping Name: OXIDIZING SOLID, N.O.S.
Hazard Class: 5.1
UN Number: 1479
Packing Group: III
RID/ADR
Shipping Name: OXIDIZING SOLID, N.O.S.
Hazard Class: 5.1
UN Number: 1479
Packing group: III
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T O N
Risk Phrases:
R 49 May cause cancer by inhalation.
R 43 May cause sensitization by skin contact.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 8 Contact with combustible material may cause
fire.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 24 Avoid contact with skin.
S 29 Do not empty into drains.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 7631-86-9: 0
CAS# 20039-37-6: No information available.
Canada
CAS# 7631-86-9 is listed on Canadas DSL List.
CAS# 20039-37-6 is listed on Canadas DSL List.
CAS# 7631-86-9 is listed on Canadas Ingredient Disclosure List.
CAS# 20039-37-6 is not listed on Canadas Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 7631-86-9 is listed on the TSCA inventory.
CAS# 20039-37-6 is listed on the TSCA inventory.
