Note: Ingredients listed on restricted chemical lists
General Information
Version
ALFAA44185
Revision date
2026-07-22
Product name
Silicon powder, nodular
CAS No.
7440-21-3
supplier name
Avocado Research Chemicals Ltd
Emergency telephone
001-201-796-7100, +32 14 57 52 99, 001-800-424-9300, 001-703-527-3887
Icons in SDS
Company Information
company name
Avocado Research Chemicals Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
begel.sdsdesk@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H228, H303, H319
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
SECTION 2: Hazards identification
Physical State
Appearance/Odor
Powder Solid Dark grey Odorless Emergency Overview Causes serious eye irritation. Flammable solid. May be harmful if swallowed. Classification of the substance or mixture Flammable solids Category 2 Acute Oral Toxicity Category 5 Serious Eye Damage/Eye Irritation Category 2B Label Elements
Signal word
Warning Hazard Statements H228 - Flammable solid H319 - Causes serious eye irritation H303 - May be harmful if swallowed
Prevention
P210 - Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking P240 - Ground and bond container and receiving equipment P270 - Do not eat, drink or smoke when using this product P280 - Wear protective gloves/protective clothing/eye protection/face protection
Response
P301 + P312 - IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam to extinguish
Storage
P403 - Store in a well-ventilated place
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
Other physicochemical hazards
Combustible material.
Health hazards
Causes serious eye irritation. May be harmful if swallowed.
Environmental hazards
Contains no substances known to be hazardous to the environment or not degradable in waste water treatment plants. Is not likely mobile in the environment due its low water solubility. Spillage unlikely to penetrate soil. This product does not contain any known or suspected endocrine disruptors.
2.1 Classification of the substance or mixture
Flammable solids. Category 2 Acute Oral Toxicity Category 5 Serious Eye Damage/Eye Irritation