What placard is for nitrogen?
DOT PLACARD 1977, NITROGEN, Refrigerated Cryogenic Liquid.
What hazmat class is nitrogen?
Product Identification Number: 1977 BASIC SHIPPING DESCRIPTION: PROPER SHIPPING NAME: Nitrogen, refrigerated liquid HAZARD CLASS: 2.2 (Nonflammable Gas) IDENTIFICATION NUMBER: UN 1977 ADDITIONAL INFORMATION: PRODUCT RQ: Not applicable SHIPPING LABEL(s): Nonflammable gas PLACARD (When required): Nonflammable gas SPECIAL …
Is nitrogen considered hazmat?
Nitrogen is a colorless gas or a liquid under pressure. It is the main component of air. It has many medical and industrial uses including the quick freezing of food. * Nitrogen is on the Hazardous Substance List because it is cited by ACGIH, DOT and NFPA.
What placard is 1977?
Non-flammable gas placards display UN 1977, hazard class 2, and meet hazmat placarding requirements.
What hazard class are Cryogens?
Hazard Class 2
This hazard classification applies to all experiments involving the use of cryogenic systems and closed cycle refrigerators. Experiments involving this hazard class are categorized as medium risk experiments unless other hazard classes apply.
How do I determine what placards are required?
A placard is required if the chemical is in a quantity or concentration for which an ERAP is required. If 500 kg or more of a quantity is being transported of one hazard class a placard is required. (b) are a liquid or a gas in direct contact with the large means of containment.
Why is nitrogen not flammable?
Nitrogen is not flammable. It has a very strong, triple bond that is stable and causes very low reactivity. It will not catch fire in most cases.
Is nitrogen non flammable?
EMERGENCY OVERVIEW: Nitrogen is a colorless, odorless, non-flammable gas, or a colorless, odorless, cryogenic liquid. The cryogenic liquid will rapidly boil to the gas at standard temperatures and pressures.
What is UN1066?
UN1066 NON-FLAMMABLE GAS 2 MEDICAL NITROGEN, N.F. WARNING: CONTAINS GAS UNDER PRESSURE; MAY EXPLODE IF HEATED. MAY DISPLACE OXYGEN AND CAUSE RAPID SUFFOCATION. Do not handle until all safety precautions have been read and understood. Use and store only outdoors or in a well-ventilated place.
When do you need placards for hazardous materials?
Except for bulk packagings and hazardous materials subject to § 172.505, when hazardous materials covered by table 2 of this section are transported by highway or rail, placards are not required on –
What kind of placards are used for inhalation hazard?
Inhalation hazard worded placards display hazard class 2 and meet DOT placarding specifications. Hazmat placards feature blank space for UN number to meet DOT placarding specifications for Class 2 non-flammable gases. Hazmat placards feature blank space for UN number to meet DOT placarding specifications for Class 2 oxygen.
What do you need to know about flammable gas placards?
Flammable gas placards display UN 1049, hazard class 2, and meet hazmat placarding requirements. Flammable gas placards display UN 1075, hazard class 2, and meet hazmat placarding requirements. Non-flammable gas placards display UN 1977, hazard class 2, and meet hazmat placarding requirements.
What kind of material is a dot placard made of?
DOT Placard, 1977, Nitrogen, Refrigerated Cryogenic Liquid, Non-Flammable Gas, Class 2. Choose from 4 Materials: Pressure Sensitive Vinyl, Rigid Plastic, Aluminum or Magnetic Our flexible high quality, long life four-millimeter thick vinyl material with permanent acrylic pressure sensitive adhesive.
