Note: Ingredients listed on restricted chemical lists
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
10-30
EC/CAS
7632-00-0
Name of the chemical
Sodium nitrite
Concentration
1-5
EC/CAS
9002-93-1
Name of the chemical
Octylphenolethoxylates (OPEO)
Concentration
0.5-1.5
General Information
Version
6
Revision date
2025-12-23
Product name
CHEMKLEEN 640
1.2.1 Relevant identified uses
Industrial applications
Manufacturer Name
Pretreatment and Specialty Products
Emergency telephone
1-888-774-2001
Icons in SDS
Company Information
company name
Pretreatment and Specialty Products
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H314, H335
Hazard statements
Code
Statements
H314
Causes severe skin burns and eye damage
Section 2
SECTION 2: Hazards identification
Ingredient(s) with unknown acute toxicity
26.6% (oral), 91.8% (dermal), 91.8% (inhalation)
Signal word
Danger
Hazard statements
Harmful if swallowed or if inhaled. Causes severe skin burns and eye damage. May cause respiratory irritation. May form combustible dust concentrations in air.
Prevention
Wear protective gloves, protective clothing and eye or face protection. Use only outdoors or in a well-ventilated area. Avoid breathing dust or mist. Do not eat, drink or smoke when using this product. Wash thoroughly after handling.
Response
IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER or doctor. IF SWALLOWED: Immediately call a POISON CENTER or doctor. Rinse mouth. Do NOT induce vomiting. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. Immediately call a POISON CENTER or doctor. Wash contaminated clothing before reuse. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor.
Storage
Store locked up. Store in a well-ventilated place. Keep container tightly closed.
Disposal
Dispose of contents and container in accordance with all local, regional, national and international regulations.
Supplemental label elements
Add this product only to water. Never add water to this product. Keep container tightly closed. Keep away from heat, sparks, open flames and hot surfaces. - No smoking. Prevent dust accumulation. Avoid contact with skin and clothing. Wash thoroughly after handling. Emits toxic fumes when heated.
2.3 Other hazards
Fine dust clouds may form explosive mixtures with air. Handling and/or processing of this material may generate a dust which can cause mechanical irritation of the eyes, skin, nose and throat. Prolonged or repeated contact may dry skin and cause irritation.
2.1 Classification of the substance or mixture
ACUTE TOXICITY (oral) - Category 4 ACUTE TOXICITY (inhalation) - Category 4 SKIN CORROSION - Category 1 SERIOUS EYE DAMAGE - Category 1 SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) (Respiratory tract irritation) - Category 3 Percentage of the mixture consisting of ingredient(s) of unknown acute toxicity: 26.6% (oral), 91.8% (dermal), 91.8% (inhalation)
