CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Sodium hydrosulfide is a colorless to light yellow crystalline solid or fused mass. It is corrosive to skin and metal. Used in paper pulping, manufacturing dyes, and dehairing hides. |
|---|---|
| Color/Form | Rhombohedric-cubic crystals. White to colorless. |
| Odor | ODOR OF HYDROGEN SULFIDE |
| Boiling Point | 212 °F at 760 mmHg (approx.) (USCG, 1999) |
| Melting Point | 63 °F (USCG, 1999) |
| Solubility | SOL IN WATER, ALCOHOL, ETHER |
| Density | 1.3 at 59 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Pressure | 49.12 mmHg (USCG, 1999) |
| LogP | -3.5 |
| Stability/Shelf Life | READILY HYDROLYZED IN MOIST AIR TO SODIUM HYDROXIDE & SODIUM SULFIDE |
| Decomposition | Decomposes to hydrogen sulfide and free alkali. |
| Corrosivity | Corrodes most metals. /Sodium Hydrosulfide Solution/ |
| Odor Threshold | Odor Threshold Low: 0.0047 [mmHg] Odor threshold from CHRIS |
| Other Experimental Properties | Needles of flakes, mp 55 °C. Completely and rapidly soluble in water, alcohol, ether /DIHYDRATE/. |
| Chemical Classes | Other Classes -> Sulfur Compounds |
SAFETY INFORMATION
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H228:Flammable solids H251:Self-heating substances and mixtures H302:Acute toxicity,oral H312:Acute toxicity,dermal H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
COMPUTED DESCRIPTORS
| Molecular Weight | 56.07 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 55.96966549 g/mol |
| Monoisotopic Mass | 55.96966549 g/mol |
| Topological Polar Surface Area | 1 Ų |
| Heavy Atom Count | 2 |
| Formal Charge | 0 |
| Complexity | 2 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Sodium hydrosulfide is a colorless to light yellow crystalline solid or fused mass. It is corrosive to skin and metal. Used in paper pulping, manufacturing dyes, and dehairing hides.
RELATED SUPPLIERS
Laxmi Industries
Gujarat
product:Liquid Sodium Hydrogen Sulphide, For Industrial, Grade Standard: Technical Grade