PTI Process Chemicals - MSDS
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Sodium
Silicate Solution
Effective Date: 02/23/06
1. Product Identification
Synonyms: Water Glass; Soluble Glass; Silicate of
Soda; Egg Preserver
CAS No.: 01344-09-8
Chemical Formula: Na2O(SiO2)x.(H2O)x
2. Composition/Information on Ingredients
Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------- ---------
Sodium Silicate 1344-09-8 35 - 40% Yes
Water 7732-18-5 60 - 65% No
3. Hazards Identification
Emergency Overview
--------------------------
WARNING! HARMFUL IF SWALLOWED OR INHALED. CAUSES
SEVERE IRRITATION TO EYES, SKIN AND RESPIRATORY TRACT.
-----------------------------------------------------------------------------------------------------------
Health Rating: 1 - Slight
Flammability Rating: 0 - None
Reactivity Rating: 0 - None
Contact Rating: 2 - Moderate
Lab Protective Equip: GOGGLES; LAB COAT
Storage Color Code: Orange (General Storage)
-----------------------------------------------------------------------------------------------------------
Potential Health Effects
----------------------------------
Diluted solutions of sodium silicate are strong alkaline irritants. The solid
sodium silicate is corrosive. Exposure to alkaline corrosives may result in
severe burns depending on the concentration and duration of exposure. Sodium
silicate is a type of amorphous silica and does not cause pulmonary silicosis.
Inhalation:
A strong alkaline irritant. Inhalation can cause severe irritation of mucous
membranes and upper respiratory tract. Symptoms may include burning sensation,
coughing, wheezing, laryngitis, shortness of
breath, headache, nausea and vomiting. High concentrations may cause lung
damage.
Ingestion:
A strong alkaline irritant. Causes irritation to the
gastrointestinal tract. Symptoms may include nausea, vomiting and
diarrhea. Solid sodium silicate: Alkaline corrosive ingestion may produce
burns to the lips, tongue, oral mucosa, upper
airway, esophagus and occasionally stomach.
Skin Contact:
A strong alkaline irritant. Causes severe
irritation. Symptoms include redness, itching and pain.
Dries to form a glass film which can cut skin.
Solid sodium silicate: Dermal contact with alkaline corrosives may produce
pain, redness, severe irritation or full thickness burns.
Eye Contact:
A strong alkaline irritant. Alkaline eye exposures produce severe irritation
with effects similar to those of dilute caustics. Inflammation or burns with
possible damage to the eye tissues can occur together with tearing and
considerable pain.
Chronic Exposure:
No information found.
Aggravation of Pre-existing Conditions:
Persons with pre-existing skin disorders or impaired respiratory function may
be more susceptible to the effects of the substance.
4. First Aid Measures
Inhalation:
Remove to fresh air. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Get medical attention.
Ingestion:
If swallowed, DO NOT INDUCE VOMITING. Give large quantities of water. Never
give anything by mouth to an unconscious person. Get medical attention
immediately.
Skin Contact:
Immediately flush skin with plenty of water for at least 15 minutes. Remove
contaminated clothing and shoes. Get medical attention. Wash clothing before
reuse. Thoroughly clean shoes before reuse.
Eye Contact:
Immediately flush eyes with plenty of water for at least 15 minutes, lifting
lower and upper eyelids occasionally. Get medical attention immediately.
5. Fire Fighting Measures
Fire:
Not considered to be a fire hazard.
Explosion:
Not considered to be an explosion hazard.
Fire Extinguishing Media:
Use any means suitable for extinguishing surrounding fire.
Special Information:
In the event of a fire, wear full protective clothing and NIOSH-approved
self-contained breathing apparatus with full facepiece
operated in the pressure demand or other positive pressure mode.
6. Accidental Release Measures
Caution! Floor and other surfaces may be slippery.
Ventilate area of leak or spill. Wear appropriate personal protective
equipment as specified in Section 8. Contain and recover liquid when possible.
Collect liquid in an appropriate container or absorb with an inert material
(e. g., vermiculite, dry sand, earth), and place in a chemical waste
container. Do not use combustible materials, such as saw dust. Do not flush to
sewer!
7. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. Isolate from incompatible substances. Containers of this material may be hazardous when empty since they retain product residues (vapors, liquid); observe all warnings and precautions listed for the product.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits:
Amorphous Silica, including natural diatomaceous earth:
- OSHA Permissible Exposure Limit (PEL):
(80 mg/m3) / (%SiO2) (TWA).
- ACGIH Threshold Limit Value (TLV):
10 mg/m3 (TWA) inhalable particulate;
3 mg/m3 (TWA) respirable particulate.
Ventilation System:
A system of local and/or general exhaust is recommended to keep employee
exposures below the Airborne Exposure Limits. Local exhaust ventilation is
generally preferred because it can control the emissions of the contaminant at
its source, preventing dispersion of it into the general work area. Please
refer to the ACGIH document, Industrial Ventilation, A Manual of
Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved):
If the exposure limit is exceeded, a half-face dust/mist respirator may be
worn for up to ten times the exposure limit or the maximum use concentration
specified by the appropriate regulatory agency or respirator supplier,
whichever is lowest. A full-face piece dust/mist respirator may be worn up to
50 times the exposure limit, or the maximum use concentration specified by the
appropriate regulatory agency, or respirator supplier, whichever is lowest.
For emergencies or instances where the exposure levels are not known, use a
full-facepiece positive-pressure, air-supplied
respirator. WARNING: Air-purifying respirators do not protect workers in
oxygen-deficient atmospheres.
Skin Protection:
Wear impervious protective clothing, including boots, gloves, lab coat, apron
or coveralls, as appropriate, to prevent skin contact.
Eye Protection:
Use chemical safety goggles and/or a full face shield where splashing is
possible. Maintain eye wash fountain and quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance:
Clear to cloudy, viscous liquid.
Odor:
Odorless.
Solubility:
Complete (100%)
Specific Gravity:
1.3 - 1.5
pH:
11 - 12.5
% Volatiles by volume @ 21C (70F):
ca. 70
Boiling Point:
102C (216F)
Melting Point:
No information found.
Vapor Density (Air=1):
Not applicable.
Vapor Pressure (mm Hg):
18 @ 20C (68F)
Evaporation Rate (BuAc=1):
No information found.
10. Stability and Reactivity
Stability:
Stable under ordinary conditions of use and storage.
Hazardous Decomposition Products:
No information found.
Hazardous Polymerization:
Will not occur.
Incompatibilities:
Fluorine, mineral acids, organic acids, organic materials. May produce
hydrogen gas on prolonged contact with metals. Gels when mixed with acids.
Conditions to Avoid:
Incompatibles.
11. Toxicological Information
No LD50/LC50 information found relating to normal routes of occupational
exposure.
--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Sodium Silicate (1344-09-8) No No None
Water (7732-18-5) No No None
12. Ecological Information
Environmental Fate:
No information found.
Environmental Toxicity:
No information found.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be managed in an appropriate and approved waste disposal facility. Processing, use or contamination of this product may change the waste management options. State and local disposal regulations may differ from federal disposal regulations. Dispose of container and unused contents in accordance with federal, state and local requirements.
14. Transport Information
Not regulated.
15. Regulatory Information
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Sodium Silicate (1344-09-8) Yes Yes Yes Yes
Water (7732-18-5) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Sodium Silicate (1344-09-8) Yes Yes No Yes
Water (7732-18-5) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Sodium Silicate (1344-09-8) No No No No
Water (7732-18-5) No No No No
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Sodium Silicate (1344-09-8) No No No
Water (7732-18-5) No No No
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: No Fire: No Pressure: No
Reactivity: No (Mixture / Liquid)
Australian Hazchem Code: None allocated.
Poison Schedule: None allocated.
WHMIS:
This MSDS has been prepared according to the hazard criteria of the Controlled
Products Regulations (CPR) and the MSDS contains all of the information
required by the CPR.
16. Other Information
NFPA Ratings: Health: 2 Flammability: 0
Reactivity: 0
Label Hazard Warning:
WARNING! HARMFUL IF SWALLOWED OR INHALED. CAUSES SEVERE IRRITATION TO EYES,
SKIN AND RESPIRATORY TRACT.
Label Precautions:
Avoid contact with eyes, skin and clothing.
Wash thoroughly after handling.
Avoid breathing vapor or mist.
Keep container closed.
Use only with adequate ventilation.
Label First Aid:
If swallowed, DO NOT INDUCE VOMITING. Give large quantities of water. Never
give anything by mouth to an unconscious person. If inhaled, remove to fresh
air. If not breathing, give artificial respiration. If breathing is difficult,
give oxygen. In case of contact, immediately flush eyes or skin with plenty of
water for at least 15 minutes. Remove contaminated clothing and shoes. Wash
clothing before reuse. In all cases, get medical attention.
Product Use:
Laboratory Reagent.
Revision Information:
No changes.
Disclaimer:
************************************************************************************************
PTI Process Chemicals provides the information contained herein in good
faith but makes no representation as to its comprehensiveness or accuracy.
This document is intended only as a guide to the appropriate precautionary
handling of the material by a properly trained person using this product.
Individuals receiving the information must exercise their independent judgment
in determining its appropriateness for a particular purpose. PTI PROCESS
CHEMICALS MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE
PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, PTI PROCESS CHEMICALS
WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON
THIS INFORMATION.
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