Caustic Soda Material Safety Data

CAUSTIC SODA LYE

MATERIAL IDENTIFICATION

Technical Name                             Sodium Hydroxide 50% Solution

Synonyms                                         Caustic Soda Lye

Chemical Formula                         NaoH

Chemical Classification               Alkaline Inorganic compound

Hazard Class                                   Corrosives – 8

Cas Registry No.                            1310-72-2

UN No                                                1824

Haz. Chem Code                             2R

Hazardous Waste ID No.                16

Product Use: Manufacture of Rayon, Mercedised cotton, Paper, Soap etc., Extraction of Zinc,  Petroleum Refining, Regeneration of Water Treatment Resins

HAZARDOUS INGREDIENTS

Hazardous ingredient                 Sodium Hydroxide

Concentration                               50% 

CAS/UN NO                                    1310-72-2

LC 50                                                —

LD 50                                               —

PHYSICAL AND CHEMICAL PROPERTIES

State                                              Sopyliquid

Molecular weight                            40

Vapour pressure                             —-

Melting Point                                   —

Colour                                      Colourless

Specific gravity                      1.53 at 20°C

Vapour Density                      —–

Boiling Point                          142 -148°C

Odour                              Odourless

Water solubility           Soluble

_pH                                          14

Freezing Point               Crystalization : 12-15°C

Solidification                   5°C

Others                                —

FIRE / EXPLOSION HAZARD DATA

Flammability                                          Non Flammable

Auto ignition temperature                 —

Sensitivity to chemical impact       Stable                                                                                                          

TDG Flammability                 —

Explosive range                      —

Flash Point                                                     —-

Hazardous combustion products          —-

Sensitivity to static discharge                 Stable

REACTIVITY DATA

Chemical Stability              –               STABLE

Reactivity

Reacts violently with acids, OrganiC halides,  nitrocompounds

Incompatibility

Acids, Flammable Materials, Nitrocompounds, Aluminium    and Zinc.

Dangerous reaction Products – HYDROGEN GAS

HEALTH HAZARD DATA

Route of Entry  

Skin Contact, Ingestion

Effects on acute exposure

Eyes : Severe irritation, Burns

Skin : Irritation, Inflammation

Ingestion: Inflammation, Scar, perforation.         

Sensitization to Material    Stable                                                                                                        

Permissible limits

TLV(C)=2mg/M3

Lethal dose

LDL0 (Rabbit) = 500 Mg/Kg

Effects on Chronic Exposure

Tissue damage in Respiratory Tract Dermititis

Synergistic materials          –   Data Not Available

PREVENTIVE MEASURES

Storage requirement                                                                                      

Bulk Storage in Mild Steel Tanks.Little Storages in Metal / Plastic Drums or Carboys.

Engineering Controls 

Dike wall around storage tanks.Drums storage in ventilated area away from heat.

Leak, Spill Handling

Contain leak, spill to prevent enter into drains.Flush out spills with large quantities of water.Washings shall be nuetralised before disposal.

Waste Disposal                                                            

Dilution and nuetralisation of  effluent water

Handling Methods

Pumping through M.S. or rigid PVC piping  Tripplers, Syphon Pump used drums unloading.

Personal protective equipment

Face shield, Rubber hand gloves, Gum Boot,Protective Clothing.

Special Shipping Information

Grades of purity : Technical Lye 50%

Storage Temp. : Ambient

Inert Atmosphere : Not required.

Venting : Open

EMERGENCY I FIRST – AID MEASURES

Fire extinguishment    Non Combustible Material

Special procedure          —-

Antidotes                           —–

First – Aid      

EYES / SKIN :  Affected area should be washed with running water at least for 15 minutes.

INGESTION: Rinse mouth severa! times. Do not induce  Vomiting, Large intake of water. Get Medical attention.

ADDITIONAL INFORMATION

Drench water shower with eye wash fountain must be  installed near the caustic handling area.

MANUFACTURER / SUPPLIER / CONSUMER DATA

THE ANDHRA SUGARS LIMITED  

Chemicals & Fertilisers Division.         

Saggonda – 534 318, A.P.

Kovvur

Phones: 231597,231598,231599

Grams : Chemicals

Fax: 08813 – 231218

Prepared on OCTOBER – 1993

DISCLAIMER.

          The information contained in this Material Safety Data Sheet is believed to be reliable but no representation, guarantee or warranties of any kind are made as it’s accuracy, suitability for a particular application or results to be obtained from them. It is however, ensured that the information contained in the material safety data sheet is relevant to the product manufactured I handled or sold as the case may be by US.