Sodium Hydrosulfide Solution (NaHS)

TDC, L.L.C

Revision date : 2026-02-03

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GHS05 GHS06 GHS09
Health risk rating 4
Safety risk rating 5
Environmental risk rating 4

Note: Ingredients listed on restricted chemical lists

EC/CAS

497-19-8

Name of the chemical

Sodium carbonate

Concentration

<5

Listed in

EC/CAS

1313-82-2

Name of the chemical

Disodium sulphide

Concentration

<5

General Information

Version

02

Revision date

2026-02-03

Product name

Sodium Hydrosulfide Solution (NaHS)

1.2.1 Relevant identified uses

Product is a unique alkaline material, playing a vital role in many industrial processes

1.2.2. Uses advised against

Use in accordance with supplier"s recommendations

Manufacturer Name

TDC, L.L.C

Emergency telephone

800-424-9300, +1-703-527-3887

Icons in SDS

M004 M008 M009 M010 M011 M013 M017 W001 GHS05 GHS06 GHS09

Company Information

company name

TDC, L.L.C

e-mail address of the competent person responsible for the Safety Data Sheet

TDCcustomerservice@genlp.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H290, H301, H314, H400

Hazard statements

Code

Statements

H290

May be corrosive to metals

Section 2

SECTION 2: Hazards identification

OSHA defined hazards Hazards for the product as sold

Physical hazards

Corrosive to metals Category 1 Hazards for the product as sold

Health hazards

Acute toxicity, oral Category 3 Skin corrosion/irritation Category 1B Serious eye damage/eye irritation Category 1 Hazards for the product as sold

Environmental hazards

Hazardous to the aquatic environment, acute Category 1 Hazards for the product as sold

Signal word

Danger

Hazard statements

May be corrosive to metals. Toxic if swallowed. Causes severe skin burns and eye damage. Very toxic to aquatic life.

Prevention

Keep only in original packaging. Do not breathe mist/vapors. Wash thoroughly after handling. Do not eat, drink or smoke when using this product. Avoid release to the environment. Wear protective gloves/protective clothing/eye protection/face protection.

Response

If swallowed: Immediately call a poison center/doctor. Rinse mouth. Do NOT induce vomiting. If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. Wash contaminated clothing before reuse. If inhaled: Remove person to fresh air and keep comfortable for breathing. Immediately call a poison center/doctor. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Collect spillage. Absorb spillage to prevent material damage.

Storage

Store locked up. Store in a corrosion resistant container with a resistant inner liner.

Disposal

Dispose of contents/container in accordance with local/regional/national/international regulations. Hazard(s) not otherwise No additional hazards are known to be associated with the expected conditions of use at the time of

Classified (HNOC)

publication. This document does not address hazards that may arise from uses not reasonably anticipated by the manufacturer.

Additional information

None.

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