SODIUM HYDROSULPHIDE solutions (45% or less)

UN Number: 2949 - CAS Number: 16721-80-5

Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

UN number 2949
CAS number 16721-80-5

Physical chemical data

Physical State (20°C) Liquid
Density (kg/m3)
< 1300 [Kg/m³] at a temperature of 20°C
Boiling Point (°C) 100
Melting Point (°C) 17

Behaviour at sea

Additional data

Colour light yellow to red
Odour rotten egg

Transportation data

Transport mode Bulk,Packaged
Package group II
State liquid
Temperature (°C) > 17 �C
Family name caustics

Reactivity data

Water No
Acid(s) Yes
Metal(s) and alloys Yes
Oxidizing agents Yes
Combustibles Yes
Organic substance Yes

GESAMP Hazard profile

Bioaccumulation in BCF (A1B) 0 - No measurable BCF
Bioaccumulation (A1) 0 - No potential to bioaccumulate
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 1 - Practically non-toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 1 - Slight
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 1 - Slight
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 1 - Slight
Eye irritation/corrosivity (D2) 2 - Irritating
Interference with coastal amenities (E2) D - Dissolver
Effects on wildlife and bottom habitats (E3) 2 - Is a persistent floater; and/or is moderately acutely toxic; and/or is irritating to skin and/or eyes; and/or has long-term health effects other than carcinogenicity, mutagenicity or reprotoxicity; and/or is highly flammable; and/or is flammable and is a floater with evaporative properties

Human toxicity threshold

Ecotoxicity

Incident reports

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

Guide number: 154

See the guide or download the emergency response guidebook

At sea emergency guide

At sea emergency guide

Emergency schedule: 8-05

CORROSIVE SUBSTANCES, COMBUSTIBLE.

Emergency procedures

Spillage on deck

Wash overboard with copious quantities of water.

Spillage under deck

Collect spillage, where practicable, using absorbent material for liquids, for safe disposal.

Fire on deck

Use water spray.

Fire under deck

Batten down; use ship's fixed fire-fighting installation. Otherwise adopt action as for "On deck".

Special equipment to be carried

Protective clothing (gloves, boots, coveralls, headgear).
Self-contained breathing apparatus.
Spray nozzles.

Remarks by UN no.

• FORMIC ACID (UN No. 1779)
• THIOGLYCOLIC ACID (UN No. 1940)
• BOMBS, SMOKE, NON-EXPLOSIVE (UN No. 2028)
• N,N-DIMETHYLCARBAMOYL CHLORIDE (UN No. 2262)
• DICYCLOHEXYLAMINE (UN No. 2565)
Turn ship off-wind.

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2023-01-23T15:26:35+00:00

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