| Item | Index |
| NaHS(%) | 70% min |
| Fe | 30 ppm max |
| Na2S | 3.5%max |
| Water Insoluble | 0.005%max |
OTHER USED
♦ In the photographic industry to protect developer solutions from oxidation. ♦ It is used in the production of rubber chemicals and other chemical compounds. ♦ It is use in other applications include ore flotation, oil recovery, food preservative, making dyes, and detergent.FAQ
Q: How can I get some samples? A: Can provide free samples for testing before order, just pay for the courier cost. Q: What’s the payment terms? A: 30% T/T deposit, 70% T/T balance payment before shipment. Q: How does your factory do regarding quality control? A: We have a strict quality control system, and our professional experts will check the goods packing and test functions of all our items before shipment.SPECIFICATION
usage
Hazard Identification
Classification of the substance or mixture Corrosive to metals, Category 1 Acute toxicity - Category 3, Oral Skin corrosion, Sub-category 1B Serious eye damage, Category 1 Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1GHS label elements, including precautionary statements
| Pictogram(s) |    |
| Signal word | Danger |
| Hazard statement(s) | H290 May be corrosive to metals H301 Toxic if swallowed H314 Causes severe skin burns and eye damage H400 Very toxic to aquatic life |
| Precautionary statement(s) | |
| Prevention | P234 Keep only in original packaging. P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P273 Avoid release to the environment. |
| Response | P390 Absorb spillage to prevent material damage. P301+P316 IF SWALLOWED: Get emergency medical help immediately. P321 Specific treatment (see ... on this label). P330 Rinse mouth. P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P363 Wash contaminated clothing before reuse. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P316 Get emergency medical help immediately. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. P391 Collect spillage. |
| Storage | P406 Store in a corrosion resistant/...container with a resistant inner liner. P405 Store locked up. |
| Disposal | P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal. |