HydroStar H-5, H-10, H-35

SECTION 2: Hazards identification

OSHA EMERGENCY OVERVIEW DANGER! Flammable, high-pressure gas mixtures. Can form explosive mixtures with air. May ignite if valve is opened to air. Burns with invisible flame. Can cause rapid suffocation. May cause dizziness and drowsiness. Self-contained breathing apparatus may be required by rescue workers. Under ambient conditions, this product is a colorless, odorless gas. OSHA REGULATORY STATUS: The components of this mixture are considered hazardous by the OSHA Hazard Communications Standard (29 CFR 1910.1200).

Potential health effects

Effects of a Single (Acute) Overexposure Inhalation. Asphyxiant. Effects are due to lack of oxygen. Moderate concentrations may cause headache, drowsiness, dizziness, excitation, excess salivation, vomiting, and unconsciousness. Lack of oxygen can kill. Skin Contact. No harm expected. Swallowing. An unlikely route of exposure. This product is a gas at normal temperature and pressure. Eye Contact. No harm expected. Effects of Repeated (Chronic) Overexposure. No harm expected. Copyright © 1985, 1988, 1993, 1997, 1999, 2003, 2006, 2009, Praxair Technology, Inc. Page 1 of 10 All rights reserved. A vertical line in the left margin indicates revised or new material. Other Effects of Overexposure. These mixtures are asphyxiants. Lack of oxygen can kill.

Medical Conditions Generally Aggravated by Exposure

Overexposure. The toxicology and the physical and chemical properties of the mixture components suggest that overexposure is unlikely to aggravate existing medical conditions. CARCINOGENICITY: Neither component of these mixtures is listed by NTP, OSHA, or IARC.

Environmental effects

None known. For further information, see section 12, Ecological Information.