NILE
CHEMICALS
Synonyms: Zinc Chloride, Zinc Dichloride, Zinc 
Butter 
CAS No.: 7646-85-7 
Molecular Weight: 136.30 
Chemical Formula: ZnCl2 
Product Codes: 261116 
Ingredient CAS No Percent Hazardous
----------------- ------------ ------------ ---------
Zinc Chloride 7646-85-7 97 - 100% Yes
Inhalation: Extremely destructive to tissues of the mucous membranes and 
upper respiratory tract. Symptoms may include burning sensation, coughing, 
wheezing, laryngitis, shortness of breath, headache, nausea and vomiting. 
Ingestion: Toxic. May cause irritation or corrosion to the 
gastrointestinal tract with abdominal pain, nausea, and vomiting. May cause 
delayed death occurring from strictures of the esophagus and pylorus. 
Skin Contact: May cause severe irritation, skin burns and ulcerations. 
Solutions are corrosive. Symptoms include redness and pain. 
Eye Contact: May cause redness, pain, and blurred vision. Splashes from 
solutions may cause eye damage. 
Chronic Exposure: Repeated skin contact can cause varying degrees of 
problems ranging from dermatitis to ulcerations. Repeated Inhalation can cause 
occupational asthma. 
Aggravation of Pre-existing Conditions: Dermatitis, cardiac and 
respiratory disorders. 
Inhalation: Remove to fresh air. If not breathing, 
give artificial respiration. If breathing is difficult, give oxygen. Get medical 
attention immediately. 
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 while removing contaminated clothing and shoes. 
Get medical attention immediately. 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. 
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: Use protective clothing and breathing equipment 
appropriate for the surrounding fire. 
Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill.
Keep in a well closed container stored under cold to warm conditions, 2 to 40 C, (36 to 104F). Protect against physical damage. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.
Airborne Exposure Limits: Zinc chloride:OSHA 
Permissible Exposure Limit (PEL):
1 mg/m3 (TWA) 8H, as fume.ACGIH Threshold Limit Value (TLV):1 mg/m3 (TWA); 2 
mg/m3 (STEL) for fume 
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 full facepiece respirator with dust/mist filter 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 full face shield where 
dusting or splashing of solutions is possible. Maintain eye wash fountain and 
quick-drench facilities in work area. 
Appearance: White crystalline granules. 
Odor: Odorless. 
Solubility: 423 g/l00 g water @ 25C (77F) 
Density: 2.91 
pH: ca. 4 Aqueous solution 
% Volatiles by volume @ 21C (70F): 0 
Boiling Point: 732C (1350F) 
Melting Point: 290C (554F) 
Vapor Density (Air=1): Not applicable. 
Vapor Pressure (mm Hg): 1 @ 428C (802F) 
Evaporation Rate (BuAc=1): Not applicable. 
Stability: Stable under ordinary conditions of use 
and storage. 
Hazardous Decomposition Products: When heated to decomposition it emits 
toxic fumes of chlorine and zinc oxide. 
Hazardous Polymerization: Will not occur. 
Incompatibilities: Cyanides and sulfides, powdered zinc. When mixed with 
potassium, a weak explosion will occur on impact. 
Conditions to Avoid: Incompatibles. 
Oral rat LD50: 350 mg/kg. Investigated as a tumorigen, mutagen, reproductive effector.
--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Zinc Chloride (7646-85-7) No No None
Environmental Fate: No information found. 
Environmental Toxicity: Dangerous to the environment. Very toxic to 
aquatic organisms; may cause long term adverse effects in the aquatic 
environment. 
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.
Domestic (Land, D.O.T.) 
----------------------- 
Proper Shipping Name: ZINC CHLORIDE, ANHYDROUS 
Hazard Class: 8 
UN/NA: UN2331 
Packing Group: III 
Information reported for product/size: 110LB 
International (Water, I.M.O.) 
----------------------------- 
Proper Shipping Name: ZINC CHLORIDE, ANHYDROUS 
Hazard Class: 8 
UN/NA: UN2331 
Packing Group: III 
Information reported for product/size: 110LB 
International (Air, I.C.A.O.) 
----------------------------- 
Proper Shipping Name: ZINC CHLORIDE, ANHYDROUS 
Hazard Class: 8 
UN/NA: UN2331 
Packing Group: III 
Information reported for product/size: 110LB 
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Zinc Chloride (7646-85-7) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Zinc Chloride (7646-85-7) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Zinc Chloride (7646-85-7) No No No Zinc compoun
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Zinc Chloride (7646-85-7) 1000 No No
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: Yes Fire: No Pressure: No
Reactivity: No (Pure / Solid)
Australian Hazchem Code: 2X 
Poison Schedule: S6 
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. 
Disclaimer: Nile 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. NILE 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, NILE 
CHEMICALS. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE 
UPON THIS INFORMATION. 
 
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