Royston Thick N Quick Mastic

CHASE CORPORATION

Revision date : 2026-02-04

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GHS02 GHS06 GHS08
Health risk rating 5
Safety risk rating 3
Environmental risk rating 3

Note: Ingredients listed on restricted chemical lists

EC/CAS

1330-20-7

Name of the chemical

Xylene

Concentration

5-<10

Listed in

EC/CAS

64742-04-7

Name of the chemical

Extracts (petroleum), heavy paraffinic distillate solvent

Concentration

3-<5

Listed in

EC/CAS

64742-89-8

Name of the chemical

Solvent naphtha (petroleum), light aliph

Concentration

3-<5

EC/CAS

100-41-4

Name of the chemical

Ethylbenzene

Concentration

1-<3

Listed in

General Information

Revision date

2026-02-04

Product name

Royston Thick N Quick Mastic

Manufacturer Name

CHASE CORPORATION

Emergency telephone

800-424-9300, 703-527-3887

Icons in SDS

M004 M009 M010 M011 M017 M026 T016 T020 W001 GHS02 GHS06 GHS08

Company Information

company name

CHASE CORPORATION

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H304, H310, H315, H319, H340, H350, H361, H373, H402, H412

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

OSHA defined hazards Hazards of the product as supplied

Physical hazards

Flammable liquids Category 2

Health hazards

Acute toxicity, dermal Category 2 Skin corrosion/irritation Category 2 Serious eye damage/eye irritation Category 2 Germ cell mutagenicity Category 1B Carcinogenicity Category 1B Reproductive toxicity Category 2 Specific target organ toxicity, repeated Category 2 exposure

Aspiration hazard

Category 1

Environmental hazards

Hazardous to the aquatic environment, acute Category 3 hazard Hazardous to the aquatic environment, Category 3 long-term hazard

Signal word

Danger

Hazard statements

H225 Highly flammable liquid and vapor. H304 May be fatal if swallowed and enters airways. H310 Fatal in contact with skin. H315 Causes skin irritation. H319 Causes serious eye irritation. H340 May cause genetic defects. H350 May cause cancer. H361 Suspected of damaging fertility or the unborn child. H373 May cause damage to organs through prolonged or repeated exposure. H402 Harmful to aquatic life. H412 Harmful to aquatic life with long lasting effects.

Prevention

P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P260 Do not breathe mist/vapors. P262 Do not get in eyes, on skin, or on clothing. P264 Wash thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection.

Response

P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor. P331 Do NOT induce vomiting. P303 + P361 + If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or P353 shower. P305 + P351 + IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present P338 and easy to do. Continue rinsing. P310 Immediately call a POISON CENTER/doctor. P332 + P313 If skin irritation occurs: Get medical advice/attention. P337 + P313 If eye irritation persists: Get medical advice/attention. P361 + P364 Take off immediately all contaminated clothing and wash it before reuse.

Storage

P403 + P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

Disposal

P501 Dispose of contents/container in accordance with local/regional/national/international regulations.

2.1 Classification of the substance or mixture

Category 1 Environmental hazards Hazardous to the aquatic environment, acute Category 3 hazard Hazardous to the aquatic environment, Category 3 long-term hazard OSHA defined hazards Not classified. Other hazards Hazard(s) not otherwise Static accumulating flammable liquid can become electrostatically charged even in bonded and classified (HNOC) grounded equipment. Sparks may ignite liquid and vapor. May cause flash fire or explosion. Supplemental information 18% of the mixture consists of component(s) of unknown acute hazards to the aquatic environment. 18% of the mixture consists of component(s) of unknown long-term hazards to the aquatic environment.

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