A0669257
Nitrosylsulfuricacidsolution , 40%wtinSulfuricAcid , 7782-78-7
CAS NO.：7782-78-7
Empirical Formula: HNO5S
Molecular Weight: 127.07
MDL number: MFCD00011495
EINECS: 231-964-2
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | -10 °C |
| Boiling point: | 333℃ at 101.33kPa |
| Density | 1.612 g/mL at 25 °C |
| vapor pressure | 2.6-30Pa at 20-50℃ |
| storage temp. | Refrigerator (+4°C) |
| solubility | reacts with H2O; soluble in H2SO4 |
| pka | -7.51±0.18(Predicted) |
| form | Viscous Liquid |
| color | Clear to milky yellow to greenish |
| Water Solubility | decomposes |
| Merck | 13,6682 |
| InChI | InChI=1S/HNO5S/c2-1-6-7(3,4)5/h(H,3,4,5) |
| InChIKey | VQTGUFBGYOIUFS-UHFFFAOYSA-N |
| SMILES | O(N=O)S(O)(=O)=O |
| CAS DataBase Reference | 7782-78-7(CAS DataBase Reference) |
| EPA Substance Registry System | Sulfuric acid, monoanhydride with nitrous acid (7782-78-7) |
Description and Uses
Nitrosylsulfuric acid is used for diazotisation, nitrosation, oxidation and oximation reactions. Product Data Sheet
Safety
| Symbol(GHS) |  GHS05 |
| Signal word | Danger |
| Hazard statements | H314 |
| Precautionary statements | P260-P264-P280-P301+P330+P331-P303+P361+P353-P363-P304+P340-P310-P305+P351+P338-P405-P501 |
| PPE | Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter |
| Hazard Codes | O,T |
| Risk Statements | 8-14-23/24/25-35-34 |
| Safety Statements | 17-26-36/37/39-45-27 |
| RIDADR | UN 2308 8/PG II (NITROSYLSULPHURIC ACID, LIQUID) |
| RIDADR | UN 3456 8/PG II (NITROSYLSULPHURIC ACID, SOLID) |
| WGK Germany | 3 |
| TSCA | TSCA listed |
| HazardClass | 8 |
| PackingGroup | II |
| HS Code | 28111980 |
| Storage Class | 5.1B - Oxidizing hazardous materials |
| Hazard Classifications | Acute Tox. 3 Dermal Acute Tox. 3 Oral Acute Tox. 4 Inhalation Eye Dam. 1 Met. Corr. 1 Ox. Liq. 2 Skin Corr. 1A |
| REACH Registrations | Active |
