Nessler"s Reagent TS, Current USP Formulation

Ricca Chemical Company

Revision date : 2026-05-25

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GHS09 GHS06 GHS05 GHS07 GHS08
Health risk rating 5
Safety risk rating 1
Environmental risk rating 4

Note: Ingredients listed on restricted chemical lists

EC/CAS

7732-18-5

Name of the chemical

Water, distilled, conductivity or of similar purity H2O

Concentration

80.58

EC/CAS

1310-73-2

Name of the chemical

sodium hydroxide

Concentration

11.92

EC/CAS

7774-29-0

Name of the chemical

Mercuric iodide

Concentration

4.17

EC/CAS

7681-11-0

Name of the chemical

potassium iodide

Concentration

3.33

General Information

Revision date

2026-05-25

Product name

Nessler"s Reagent TS, Current USP Formulation

Emergency telephone

800-424-9300, 703-527-3887

Icons in SDS

GHS05 GHS06 GHS07 GHS08 GHS09 M004 M009

Company Information

company name

Ricca Chemical Company

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H302, H302+H332, H310, H314, H318, H332, H372, H401, H411

Hazard statements

Code

Statements

H302

Harmful if swallowed

Section 2

SECTION 2: Hazards identification

Classification of the Substance or Mixture

Hazard categories

Category Hazard Precautionary Statements

Hazard statements

Acute Toxicity - Oral Acute Toxicity - Dermal Category 4 H302 P264,P270,P301+P312,P330,P501 Category 2 H310 P262,P264,P270,P280,P302+P352, P310,P321,P361+P364,P405,P501 Acute Toxicity - Inhalation (Dusts and Mists) Category 4 H332 P261,P271,P304+P340,P312 Skin Corrosion / Irritation Category 1 H314 P260,P264,P280,P301+P330+P331, P303+P361+P353,P363,P304+P340, P310,P321,P305+P351+P338,P405, P501 Serious Eye Damage / Eye Irritation Category 1 H318 P280,P305+P351+P338,P310 Specific Target Organ Toxicity - Repeated Exposure Category 1 H372 P260,P264,P270,P314,P501 Hazardous to the Aquatic Environment, Short-term (Acute) Acute 2 H401 P273,P501 Hazardous to the Aquatic Environment, Long-term (Chronic) Chronic 2 H411 P273,P391,P501 NOTE: Hazard statements may be combined on labels to improve clarity and readability. Hazard Number Hazard Statement H302+H332 Harmful if swallowed or if inhaled H310 Fatal in contact with skin H314 Causes severe skin burns and eye damage H372 Causes damage to kidneys, thyroid through prolonged or repeated exposure H411 Toxic to aquatic life with long lasting effects

Hazard pictograms

Danger Signal Word

Precautionary statements

NOTE: Precautionary statements may be combined or consolidated on labels to improve clarity and readability. P260 Do not breathe fumes or mist. P262 Do not get in eyes, on skin, or on clothing. P264 Wash hands, arms, and face thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves and eye protection. P301+P312 IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell. P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P310 Immediately call a poison center or doctor. P314 Get medical advice or attention if you feel unwell. P330 Rinse mouth. P361+P364 Take off immediately all contaminated clothing and wash it before reuse. P391 Collect spillage. P405 Store locked up. P501 Dispose of contents/container to suitable waste stream in accordance with local, state, federal, and international regulations.

Prevention

Precautionary Number

Response

Precautionary Number

Storage

Precautionary Number

Disposal

Precautionary Number

2.3 Other hazards

No other hazards identified. 2.4. Ingredients of Unknown Acute Toxicity 11.9 percent of this mixture consists of ingredient(s) of unknown acute oral and dermal toxicity. 15.3 percent of this mixture consists of ingredient(s) of unknown acute inhalation toxicity.

2.1 Classification of the substance or mixture

Hazard Class Category Hazard

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