Note: Ingredients listed on restricted chemical lists
EC/CAS
231-639-5/7664-93-9
Name of the chemical
sulphuric acid
Concentration
>=90-< >=15% 5-<15% 5-<15% >=0,3%
EC/CAS
215-607-8/1333-82-0
Name of the chemical
Chromium trioxide
Concentration
=1-<2,5 >=1%
General Information
Version
7.12
Revision date
2025-12-31
Product name
Chromosulfuric acid for cleaning glass vessels
Emergency telephone
+49 (0)696 43508409
Icons in SDS
Company Information
company name
Sigma-Aldrich Chemie GmbH
e-mail address of the competent person responsible for the Safety Data Sheet
technischerservice@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H271, H290, H314, H317, H318, H332, H334, H335, H340, H350, H373, H411
Hazard statements
Code
Statements
H271
May cause fire or explosion; strong oxidiser
Section 2
SECTION 2: Hazards identification
Regulation (EC) No. 1272/2008 Classification of the substance or mixture
Signal word
Danger Danger
Hazard statements
H271 May cause fire or explosion; strong oxidizer. H290 May be corrosive to metals. H314 Causes severe skin burns and eye damage. H317 May cause an allergic skin reaction. H332 Harmful if inhaled. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335 May cause respiratory irritation. H340 May cause genetic defects. H350 May cause cancer. H373 May cause damage to organs through prolonged or repeated exposure if inhaled. H411 Toxic to aquatic life with long lasting effects. H271 May cause fire or explosion; strong oxidizer. H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled. H317 May cause an allergic skin reaction. H340 May cause genetic defects. H350 May cause cancer. H314 Causes severe skin burns and eye damage.
Precautionary statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Response
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Hazardous Ingredients
sulphuric acid chromium trioxide
Additional information
Restricted to professional users. Reduced Labelling (<= 125 ml)
Supplemental label elements
none
2.3 Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
ECOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
TOXICOLOGICAL INFORMATION
The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
2.1 Classification of the substance or mixture
Classification (REGULATION (EC) No 1272/2008) Oxidizing liquids, Category 1 H271: May cause fire or explosion; strong oxidizer. Corrosive to metals, Category 1 H290: May be corrosive to metals. Acute toxicity, Category 4 H332: Harmful if inhaled. Skin corrosion, Sub-category 1A H314: Causes severe skin burns and eye damage. Serious eye damage, Category 1 H318: Causes serious eye damage. Respiratory sensitisation, Category H334: May cause allergy or asthma 1 symptoms or breathing difficulties if inhaled. Skin sensitisation, Category 1 H317: May cause an allergic skin reaction. Germ cell mutagenicity, Category H340: May cause genetic defects. 1B Carcinogenicity, Category 1A H350: May cause cancer. Specific target organ toxicity - H335: May cause respiratory irritation. single exposure, Category 3, Respiratory system Specific target organ toxicity - H373: May cause damage to organs through repeated exposure, Category 2 prolonged or repeated exposure if inhaled. Long-term (chronic) aquatic hazard, H411: Toxic to aquatic life with long lasting Category 2 effects.