Potassium borohydride

Metals -> Metals, Inorganic Compounds

Flammable agents - 3rd degree

Potassium borohydride is a white crystalline or powdered solid. When exposed to water it may react violently and start a fire. It is toxic by ingestion. It is used to make other chemicals.

Solid; Not hygroscopic and stable in air; [Merck Index] White solid; [CAMEO] White odorless powder; [Kodak MSDS]

Danger

H260 (88.9%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]

P223, P231+P232, P260, P262, P264, P264+P265, P270, P271, P280, P284, P301+P316, P301+P330+P331, P302+P335+P334, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P320, P321, P330, P361+P364, P363, P370+P378, P402+P404, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 162 reports by companies from 10 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Chemical: Borate(1-), tetrahydro-, potassium

Status: Active Update: 02-10-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/24951

Borate(1-), tetrahydro-, potassium: HSNO Approval: HSR001291 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.)

Excerpt from ERG Guide 138 [Substances - Water-Reactive (Emitting Flammable Gases)]:

· Produce flammable gases on contact with water.

Excerpt from ERG Guide 138 [Substances - Water-Reactive (Emitting Flammable Gases)]:

· Inhalation or contact with vapors, substance or decomposition products may cause severe injury or death.

Reacts with water and moisture evolving flammable gases (may be violent and ignite on contact); Highly flammable and a strong reducing agent; [CAMEO] Causes spastic paralysis and dyspnea in lethal-dose studies of rabbits, rats, and mice (dermal, inhalation, and oral routes); [RTECS] Reacts violently with water (may form flammable or combustible mixture); A flammable reducing agent; May form explosive mixtures with air; Causes burns to skin and eyes; Dust is irritating to eyes and respiratory tract; Harmful by ingestion and inhalation; [Kodak MSDS]

Potassium borohydride

UN1870

Div 4.3 Dangerous when wet material (49 eCFR § 173.124)

PG I: the degree of danger presented by the material is great

· 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.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

Excerpt from ERG Guide 138 [Substances - Water-Reactive (Emitting Flammable Gases)]:

General First Aid:

Excerpt from ERG Guide 138 [Substances - Water-Reactive (Emitting Flammable Gases)]:

Immediate precautionary measure

Used as a reducing agent; [Merck Index] Used to make other chemicals; [CAMEO] Used to make plastics (foaming agent); [Hawley] Used as industrial photographic processing chemical; [Kodak MSDS]

Photographic Processing [Category: Other]