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Toxic Gases & Vapors -> Acid Halides

Corrosives

1.36 at 21.74 °F (USCG, 1999) - Denser than water; will sink

2.99 G/L (GAS); 1.417 @ -12 °C (LIQ)

g/cm³

Relative density of the vapour/air-mixture at 20 °C (air = 1): 5.2

2.68 g/L

SOL IN FUMING SULFURIC ACID

Solubility in water: reaction

VERY CORROSIVE

ALUMINUM IS ATTACKED BY NITROSYL CHLORIDE WHEN COLD.

21.6 °F at 760 mmHg (USCG, 1999)

21.6 °F

-5.5 °C

-5 - -6 °C

-5.5 °C @760 [mm Hg]

-74 °F (USCG, 1999)

-64.5 °C

-61.5 °C

-64 °C

-59.6 °C

2.3 (Air=1)

Relative vapor density (air = 1): 2.3

Danger

H270 (100%): May cause or intensify fire; oxidizer [Danger Oxidizing gases]

P220, P244, P260, P264, P271, P280, P284, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P320, P321, P363, P370+P376, P403, P403+P233, P405, P410+P403, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 111 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Nitrosyl chloride: HSNO Approval: HSR001064 Approved with controls

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

Special Hazards of Combustion Products: Very toxic gases are generated when heated (USCG, 1999)

· Some may burn but none ignite readily.

Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.

Gas is highly toxic. Inhalation causes severe irritation of respiratory tract and damage to mucous membranes. Delayed effects, which include severe pulmonary edema, may not be apparent for several hours. (USCG, 1999)

· TOXIC and/or CORROSIVE; may be fatal if inhaled, ingested or absorbed through skin.

NITROSYL CHLORIDE is an oxidizing agent. Dissociates into nitric oxide and chlorine on heating. Gives an explosive reaction when sealed in a tube with a residue of acetone and in the presence of platinum catalyst [Chem. Eng. News 35(43):60. 1967]. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Excerpt from ERG Guide 125 [Gases - Toxic and/or Corrosive]:

In case of fire in the surroundings, use appropriate extinguishing media. In case of fire: keep cylinder cool by spraying with water. NO direct contact with water.

Fresh air, rest. Half-upright position. Artificial respiration may be needed. Refer for medical attention.

Remove contaminated clothes. Rinse skin with plenty of water or shower. Refer for medical attention .

First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· Do not touch or walk through spilled material.

INHALATION: remove victim to fresh air; call a doctor; enforce complete rest until doctor arrives; observe at least 24 hours for delayed effects.

General First Aid:

· Wear positive pressure self-contained breathing apparatus (SCBA).

TIH (Toxic Inhalation Hazard) - Term used to describe gases and volatile liquids that are toxic when inhaled. Some are TIH materials themselves, e.g., chlorine, and some release TIH gases when spilled in water, e.g., chlorosilanes. [ERG 2016].

If material involved in fire: Extinguish fire using agent suitable for type of surrounding fire. (Material itself does not burn or burns with difficulty.) Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use water spray to knock-down vapors.

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Evacuate danger area! Consult an expert! Personal protection: gas-tight chemical protection suit including self-contained breathing apparatus. Ventilation. NEVER direct water jet on liquid. Remove gas with fine water spray. Do NOT absorb in saw-dust or other combustible absorbents.

SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.

If material not involved in fire: Keep material out of water sources and sewers. Attempt to stop leak if without undue personnel hazard. Use water spray to knock-down vapors. Neutralize spilled material with crushed limestone, soda ash, or lime. Do not use water on material itself.

Personnel protection: Avoid breathing vapors. Keep upwind. ... Avoid bodily contact with the material. ... Do not handle broken packages unless wearing appropriate personal protective equipment. Wash away any material which may have contacted the body with copious amounts of water or soap and water.

Cough. Sore throat. Laboured breathing. Shortness of breath.

Redness. Pain. Skin burns.

Redness. Pain. Burns.

Nitrosyl chloride is a very corrosive reddish yellow gas, which is said to be intensely irritating to the eyes and skin, and to be severely injurious to the lungs.

INTENSELY IRRITATING TO EYES, SKIN, MUCOUS MEMBRANES. INHALATION MAY CAUSE PULMONARY EDEMA, HEMORRHAGE.

Nitrosyl chloride

1.17

15

Weapons of Mass Effect chemical material that, if stolen or diverted, can be converted into weapons using simple chemistry, equipment, or techniques.

Used as a flour bleaching agent and a chemical intermediate; a byproduct formed during the use of aqua regia; [HSDB] Aqua regia is a mixture of 1 part nitric acid and 3 to 4 parts of hydrochloric acid used in metallurgy to test metals and to dissolve platinum, gold, and other metals. [Hawley]

Metal Extraction and Refining [Category: Industry]

BLEACHING SUBSTANCE FOR FLOUR

SYNTHETIC DETERGENTS; CATALYST; INTERMEDIATE

Chemical intermediate in the production of chlorine

Intermediate in the production of potassium nitrate

REACTION OF CHLORINE AND SODIUM NITRATE

BEST PREPARED FROM NITROSYLSULFURIC ACID & DRY HYDROGEN CHLORIDE.