Castle chemicals letter updated
MATERIAL SAFETY DATA SHEET
1. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND COMPANY
Castle Chemicals Ltd, Peak House6 Oxford Road, Altrincham, Cheshire WA14 2DY
2. HAZARD IDENTIFICATION
The product is not classified as dangerous according to Directive 1999/45/EC and its amendments.
See section 11 and 12 for more detailed information on health and ecological effects.
3. COMPOSITION INFORMATION ON INGREDIENTS
a See Section 16 ‘Other information’ for full text of the R phrases and H statements.
b EC number not available for polymers.
c Alternative name: Tetraethylthiuram disulfide.
4. FIRST AID MEASURES
If breathed, move the person to fresh air, keep him/her warm
and at rest, and obtain medical attention if necessary. If the person vomits, turn his/her face sideways to prevent
Wash thoroughly with plenty of water and soap. If there is
irritation, obtain medical attention. If molten polymer product adheres to the skin, cool the affected area in cold water. Do
not use force to remove the polymer from the skin. Obtain medical attention.
Immediately flush eyes with clean running water for at least 15 minutes, and obtain medical attention. During washing,
pull the eyelids away from the eyebal s to thoroughly washevery part of the eyes.
Thoroughly wash out the mouth with water, and immediately obtain medical attention. If possible, make patient drink
plenty of water. Do not induce vomiting unless instructed by medical personnel.
Instal facilities near the storage area for safety showers, washing hands and rinsing eyes. Indicate these locations
5. FIREFIGHTING MEASURES
The substance is not flammable, but may burn if involved in a fire.
Water spray, foam, carbon dioxide, dry chemicals.
The product is decomposed by combustion and heat, and may generate poisonous gases such as hydrogen chloride gas and
Remain upwind during firefighting to prevent exposure to toxic gases. Keep restricted personnel out of the area of the
fire, and evacuate them to a safe area.
Wear respiratory protective equipment to guard against
poisonous gases that may be generated by combustion or heat.
6. ACCIDENTAL RELEASE MEASURES
Note that the product may pose a slip hazard if spil ed.
Wear adequate protective equipment during cleanup, and use equipment and tools that wil not generate sparks due to
Do not al ow the product to enter rivers or drains.
Promptly remove sources of ignition. Col ect the spil ed product by sweeping or a non-sparking, industrial vacuum
cleaner. Store the col ected product it in a suitably label ed container. Wash contaminated area with water and
detergent, col ecting the washings for disposal.
Fol ow prescribed procedures for responding to large spil s
and reporting to appropriate authorities.
7. HANDLING AND STORAGE
Wear adequate protective equipment to prevent inhalation
and exposure of eyes, skin, and clothing. After handling the product, thoroughly wash hands and face.
The product must be handled in wel -ventilated areas. Exercise care in preventing the release of dust of the product.
Friction among the products in chipped solid form may cause electrostatic charge. Thus, take precautions including
grounding of the apparatus when the product is used with flammable solvents.
Store in a wel -ventilated, cool, dark place. Do not expose to heat, moisture, or direct sunlight.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Use only in a closed system or provide local exhaust ventilation.
Wear a dust mask or simple dust mask for handling of the product. If exposure to vapour is possible (e.g. from heat-
treatment of the product), wear a respirator against organic vapours.
Wear protective gloves, Chloroprene rubber, Natural rubber or PVC. Damaged gloves should be replaced. Suitable gloves
can be recommended by the glove supplier.
Safety glasses (with side shields), protective goggles, or
protective mask, as circumstances demand.
Protective clothing, apron, and boots, as circumstances
9. PHYSICAL AND CHEMICAL PROPERTIES
Not applicable because the product is not soluble in water
10. STABILITY AND REACTIVITY
Avoid heating at high temperatures over 200°C.
It may on heating generate hazardous decomposition products such as hydrogen chloride and aldehydes .
11. TOXICOLOGICAL INFORMATION
LD50 (oral, rat): 500-8600 mg/kgLD50 (dermal, rabbit) 2000 mg/kg and above
An ingredient of the product has the fol owing data on the irritation of the eye.
Rosin (eye, rat); mild irritant.
Disulfiram (eye, rabbit); mild irritant.
The product contains Disulfiram and Rosin. Animal test did not cause sensitisation by skin contact on the product itself
The report on the ingredients of the product is as fol ows.
Disulfiram: Negative in Ames test (dose level: 0.5-
5000μg/plate) using salmonel a strainsTA1535, TA1537, TA1538, TA98 and TA100 with or without
metabolic activation. Positive in the gene mutation test (dose level: 0.0006-4.1μg/mL) using mouse lymphoma cel s L5178Y
The report on the ingredients of the product is as fol ows.
Disulfiram: NOAEL was 250mg/kg or above in dams and
teratogenicity because no toxicity was noted in dams and no teratogenicity was noted in developmental toxicity study by
oral administration in the rat (dose level: once daily at 250mg/kg, period: Day 3-21 of gestation).
12. ECOLOGICAL INFORMATION
The product is insoluble in water. Problems are to be expected and by this test results.
Toxicity to Algae : NOEC (of the extract of the product) > 1% (OECD TG 201)Toxicity to Daphnia Magna : NOEC (of the extract of the product ) > 1% (OECD TG 202)
Toxicity to Zebra Fish : NOEC (of the extract of the product ) > 1% (OECD TG 203)Bioaccumulative potential : No data available
Persistence and degradability : No data availableMobility in soil : No data available
13. DISPOSAL CONSIDERATIONS
In the case the product is incinerated, take precautionary measures against combustion gases that
may contain toxic gases (e.g. hydrogen chloride gas).
If disposal of the product is commissioned, select a waste-disposal contractor authorized by local
or national government.
If empty containers are disposed of, thoroughly remove their contents.
Disposal must be in accordance with current national and local regulations. Chemical residues
general y count as special waste, and their disposal may be regulated in the EC member countries through corresponding laws and regulations. General EU requirements are given in the Waste
Framework Directive (75/442/EEC) and the Hazardous Waste Directive (91/689/EEC).
EU waste code suggestion: 07 02: wastes from the manufacture, formulation, supply and use of
plastics, synthetic rubber and man-made fibres.
14. TRANSPORT INFORMATION
Not classified as dangerous goods for transport.
When transporting the product, inspect the containers for leakage and load them securely to prevent toppling, fal ing, or
breakage, and take preventive measures against col apsing of containers.
15. REGULATORY INFORMATION
Classification and label ing according to EC Directives.
According to annex VII to directive 1999/45/EC, does not need to be label ed.
16. OTHER INFORMATION
R43 : May cause sensitisation by skin contact.
R48/22: Harmful: danger of serious damage to health by
prolonged exposure if swal owed.
R50 : Very toxic to aquatic organisms.
R53 : May cause long-term adverse effects in the aquatic environment.
H317 : May cause al ergic skin reaction.
H373 : May cause damage to organs through prolonged or repeated exposure.
H400 : Very toxic to aquatic life.
H410 : Very toxic to aquatic life with long lasting effects.
The information in this MSDS was obtained from sources which we believe are reliable, but no warranty or
representation as to its accuracy or completeness is hereby given. Users should consider the information herein only as a
supplement to other information gathered by them and must make independent determinations of suitability and
completeness of information from al sources to assure proper use and disposal, the safety and health of employees
and customers and the protection of the environment.
MSDS DOCUMENT NO: Chloroprene GW
ISSUE DATE: 6.8.2011
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