English Safety Data Sheet Database 中文版 MSDS

Mercurous nitrate monohydrate

CAS No. 7782-86-7 | PubChem CID 138394175
Section 1. Identification
Chemical NameMercurous nitrate monohydrate CAS No.7782-86-7
Synonymsmercurousnitrate Chinese Name硝酸亚汞
Molecular FormulaHg2(NO3)2· Molecular Weight561.22
UN No.1627 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS06 · Acute Toxic GHS08 · Health Hazard GHS09 · Environmental Hazard
Hazard Statements H300H310H330H373H400H410
Precautionary Statements P260P262P264P270P271P273P280P284P301+P316P302+P352P304+P340P316P319P320P321P330P361+P364P391P403+P233P405P501

Section 2. Hazards Identification

H300 (100%): Fatal if swallowed [Danger Acute toxicity, oral]

H310 (100%): Fatal in contact with skin [Danger Acute toxicity, dermal]

H330 (100%): Fatal if inhaled [Danger Acute toxicity, inhalation]

H373 (100%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]

H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]

H410 (100%): Very toxic to aquatic life with long lasting effects [Warning Hazardous to the aquatic environment, long-term hazard]

P260, P262, P264, P270, P271, P273, P280, P284, P301+P316, P302+P352, P304+P340, P316, P319, P320, P321, P330, P361+P364, P391, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 63 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Section 8. Exposure Controls / Personal Protection

0.02 [mg/m3], as Hg, inhalable fraction[German Research Foundation (DFG)]

0.0091 [ppm]

0.25 [ppm]

0.50 [ppm]

0.1 [mg/m3], as Hg

10.0 [mg/m3], as Hg

0.02 [mg/m3], as Hg

Section 9. Physical and Chemical Properties

White to yellow, hygroscopic crystals; Decomposes in water; [MSDSonline]

4.3 @25 °C

Metals -> Mercury Compounds, Inorganic

Section 11. Toxicological Information

Neurotoxin - Sensorimotor

Nephrotoxin - The chemical is potentially toxic to the kidneys in the occupational setting.

Source: PubChem CID 138394175 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 09:26:12.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.