H350 — May cause cancer

The GHS hazard statement for carcinogenicity, category 1 (1a, 1b). Here is what it means, the label elements that travel with it, and the substances that carry it.

AT A GLANCE · OFFICIAL STATEMENT
“May cause cancer.”
HAZARD CLASS
Carcinogenicity
CATEGORY
Category 1 (1A, 1B)
SIGNAL WORD
Danger

What it means

May cause cancer (Category 1: known or presumed human carcinogen; Category 2: suspected). The category reflects strength of evidence, not potency.

Precautionary statements paired with H350

When the engine writes SDS Section 2 for a product carrying H350, these are the precautionary statements it assigns, with combined statements written as one line:

Substances that carry H350

1,024 of the 4,228 substances in our database carry H350 when classified in pure form — recognizable examples:

formaldehyde
CAS 50-00-0
benzene
CAS 71-43-2
(2-chloroethyl)(3-hydroxypropyl)ammonium chloride
CAS 40722-80-3
(2-ethylhexanoato-O)(isodecanoato-O)nickel
CAS 84852-39-1
SAME HAZARD CLASS:H351

Reference information, not legal or professional advice. Statement texts and allocations follow 29 CFR 1910.1200 Appendix C (the GHS as adopted by OSHA HazCom 2024) as implemented by our classification engine; the regulatory text and agency practice control. Claims last reviewed July 23, 2026.

The engine writes these for you.

When SDS HQ authors an SDS, it assigns the hazard statements, signal word, pictograms, and precautionary statements from these same tables — automatically, with the calculation shown.