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Chemical & Process Safety Management > Chapter-3 > Topic- Safe Handling of Chemicals > Sub Topic- Use of Material Safety Data Sheet (MSDS) and understanding the terminologies used in MSDS

 Material Safety Data Sheet (MSDS)- Use , Terminologies ,Statutory Requirements as per Indian Law 



Each person involved in handling dangerous substances or preparations should be provided with written instructions on the properties of the chemicals, including illustrations and pictograms. These safety instructions and information should be collected and stored in a place easily accessible at the workplace.

Every chemical container and package in the workplace, no matter how small or big, should have an appropriate, clearly understandable label. 

Due to the lack of space, the information on the label on each container or package is often incomplete. It is, therefore, necessary to have access to more detailed information or instructions for the safe use of chemicals.  

A Material Safety Data Sheet (MSDS) is a document that provides detailed information about a hazardous substance or chemical. It is typically provided by the manufacturer, importer or supplier of the substance, and serves as an important source of information for workers who may be exposed to the substance in the workplace.

The primary purpose of an MSDS is to communicate information about the hazards associated with a particular substance and to provide guidance on how to handle and use it safely. 

Contents of the MSDS are different as per different standards , Country wise legislation. 
 

ILO recommended points are as follows (16 Points of MSDS) -


1. Identification of the substance/preparation and the company/undertake
2. Composition/information on ingredients
3. Hazard identification
4. First aid measures
5. Firefighting
6. Spillage, accidental release
7. Handling and storage
8. Exposure controls/personal protection
9. Physical and chemical properties
10. Stability and reactivity
11. Toxicological information
12. Ecological information
13. Disposal considerations
14. Transport information
15. Regulatory information
16. Other information 

Statutory Requirement of MSDS as per Indian Law

In India, MSDS contain 9 Sections listed under Schedule 9 of Rule 17 of “The Manufacture, Storage and Import of Hazardous Chemicals Rule, (MSIHC) 1989”. 

Format of MSDS under Schedule 9 of the MSIHC Rules, 1989 

SCHEDULE -9
(See Rule 17) SAFETY DATA SHEET

1. CHEMICAL IDENTITY
________________________________________________________________________
Chemical Name                                                               Chemical Classification
________________________________________________________________________
Synonyms                                                                        Trade Name
________________________________________________________________________
Formula                           C.A.S. No                                 U.N. No.:
________________________________________________________________________
Regulated                       Shipping Name                         Hazchem No.:
Identification                   Codes/Label
________________________________________________________________________
                                                                                        Hazardous Waste
                                                                                        I.D. No.:
________________________________________________________________________
Hazardous Ingredients           C.A.S. No.        Hazardous Ingredients     C.A.S No.:
________________________________________________________________________
1.                                                                                           3.
________________________________________________________________________
2.                                                                                           4.
________________________________________________________________________

2. PHYSICAL AND CHEMICAL DATA
________________________________________________________________________
Boiling Range/Point °C               Physical State                             Appearance
________________________________________________________________________
Melting/Freezing Point °C          Vapour Pressure                         Odour
 @ 35 °C mm/Hg
________________________________________________________________________
Vapour Density Solubility in Water at 30°C Others
(Air=1)
Specific Gravity                                                                               pH
Water =1
________________________________________________________________________ 

3. FIRE AND EXPLOSION HAZARD DATA
________________________________________________________________________
Flammability          Yes/No       LEL %                 Flash Point °C              Auto ignition
                                                                                                                Temperature °C 
________________________________________________________________________
TDG Flammability                    UEL %                 Flash Point °C 
________________________________________________________________________
Explosion Sensitivity                         Explosion Sensitivity                      Hazardous
to Impact                                           to Static Electricity Products          Combustion
________________________________________________________________________
Hazardous Polymerization
Combustible                                       Liquid Explosive                            Corrosive
                                                               Material                                      Material
________________________________________________________________________
Flammable Material                            Oxidizer                                         Others
________________________________________________________________________
Pyrophoric Material                            Organic Peroxide 
________________________________________________________________________

4. REACTIVITY DATA
________________________________________________________________________
Chemical
Stability
________________________________________________________________________
Incompatibility
With other Material
________________________________________________________________________
Reactivity
________________________________________________________________________
Hazardous Reaction
Products
________________________________________________________________________

5. HEALTH HAZARD DATA
________________________________________________________________________
Routes of
Entry
________________________________________________________________________
Effects of
Exposure/Symptoms
________________________________________________________________________
Emergency
Treatment

TLV(ACGIH)                 ppm         mg/m3              STEL                         ppm     mg/m3 
________________________________________________________________________

Permissible Exposure Limits           ppm mg/m3       Odour threshold            ppm mg/m3 
 LD50 LD50 ________________________________________________________________________ NEPA Hazard               Health                  Flammability                   Stability Special 
Signals ________________________________________________________________________ 
 
6. PREVENTIVE MEASURES ________________________________________________________________________ Personnel Protective Equipment ________________________________________________________________________ Handling and Storage Precautions ________________________________________________________________________ 
7. EMERGENCY AND FIRST AID MEASURE
________________________________________________________________________
Fire Extinguishing
Media
FIRE
 __________________________________________________
 Special Procedures
 _________________________________________________
Unusual Hazards
EXPOSURE
 _________________________________________________
First Aid Measures
_________________________________________________
 Antidotes/Dosages
SPILLS
 _________________________________________________
 Steps to be taken
_________________________________________________
 Waste Disposal Method
________________________________________________________________________ 

8. ADDITIONAL INFORMATION / REFERENCES
________________________________________________________________________
________________________________________________________________________ 
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________

9. MANUFACTURER / SUPPLIER DATA
________________________________________________________________________
Name of Firm                                             Contact Person in Emergency
________________________________________________________________________
Mailing Address                                         Local Bodies Involved
________________________________________________________________________
Telephone/Telex Nos.                                Standard Packing
Telegraphic Address                                  TremCard Details/Ref
                                                                   Other.
__________________________________________________________________________

10. DISCLAIMER
__________________________________________________________________________

Information contained in this material data sheet is believed to be reliable but no representation, guarantee or warranties of any kind are made as to its accuracy, suitability for a particular application or results to be obtained from them. It is up to the manufacturer/seller to ensure that the information contained in the material safety data sheet is relevant to the product manufactured/handled or sold by him as the case may be. The Government makes no warranties expressed or implied in respect of the adequacy of this document for any particular purpose. 
__________________________________________________________________________

Reference- 

  • ILO Website
  • The Manufacture, Storage and Import of Hazardous Chemicals Rule, 1989.
  • Google.com
  • NSO Notes

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