Name | Chromic nitrate nonahydrate |
Synonyms | Chromium nitate Chromium isotopic standard Chromic nitrate nonahydrate Chromium nitrate nonahydrate chromium(3+) trinitrate nonahydrate CHROMIUM(III) NITRATE NONAHYDRATE FOR AN |
CAS | 7789-02-8 |
EINECS | 616-540-0 |
InChI | InChI=1/Cr.3NO3.9H2O/c;3*2-1(3)4;;;;;;;;;/h;;;;9*1H2/q+3;3*-1;;;;;;;; |
Molecular Formula | CrH18N3O18 |
Molar Mass | 400.14832 |
Density | 1.80 g/mL(lit.) |
Melting Point | 60°C(lit.) |
Boling Point | 100°C |
Water Solubility | Soluble in water and alcohol. |
Solubility | H2O: very soluble(lit.) |
Vapor Presure | 49.8mmHg at 25°C |
Appearance | Solid |
Color | Violet to black |
Exposure Limit | NIOSH: IDLH 25 mg/m3; TWA 0.5 mg/m3 |
Merck | 14,2226 |
PH | 2-3 (50g/l, H2O, 20℃) |
Storage Condition | Store at +15°C to +25°C. |
Stability | Stable at room temperature, but may explode if heated. Incompatible with organic materials, reducing agents. Use polyethylene tools. |
Physical and Chemical Properties | Trait red-purple monoclinic crystal. melting point 60 ℃ soluble in water, soluble in acid and alkali, ethanol, acetone. |
Use | Used for the manufacture of chromium-containing catalyst, glass, ceramic glaze, can also be used as mordant, corrosion inhibitor for printing and dyeing fabrics |
Risk Codes | R8 - Contact with combustible material may cause fire R36/38 - Irritating to eyes and skin. |
Safety Description | S17 - Keep away from combustible material. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
UN IDs | UN 2720 5.1/PG 3 |
WGK Germany | 2 |
RTECS | GB6300000 |
FLUKA BRAND F CODES | 9 |
TSCA | Yes |
HS Code | 2834 29 80 |
Hazard Class | 5.1 |
Packing Group | III |
Toxicity | LD50 orally in Rabbit: 3250 mg/kg |
Downstream Products | Chromium Nitrate |
toxicity | see chromic anhydride. |
Use | used in the manufacture of chromium-containing catalysts, glass, ceramic glaze, can also be used as mordant for printing and dyeing fabrics, corrosion Inhibitor used as analytical reagent and mordant, also used in the synthesis of inorganic salts used in glass manufacturing, ceramic glaze color and corrosion inhibitor. The printing and dyeing industry is used as a mordant. Inorganic synthesis was used to prepare chromium-containing catalysts. used in the manufacture of chromium-containing catalyst, glass, ceramic glaze, can also be used as mordant and corrosion inhibitor for printing and dyeing fabrics used in the preparation of other inorganic and organic chromium compounds, preparation of catalysts and carriers, used as corrosion inhibitor and mordant, used in glass industry, ceramic colored glaze; Chromium reagent for trivalent chromium electroplating. |
production method | sucrose reduction method chromic anhydride and nitric acid are added to a reactor with a stirrer, under stirring, sucrose is slowly added for reduction reaction to generate chromium nitrate, which is filtered, and the filtrate is sent for evaporation concentration, cooling crystallization, and centrifugal separation to obtain a finished chromium nitrate product. 16CrO3 48HNO3 9H2O C12H22O11 → 16Cr(NO3)3 · 9H2O 35H2O [O] 12CO2 |
category | oxidant |
toxicity grade | poisoning |
Acute toxicity | oral-rat LD50: 3250 mg/kg |
flammability hazard characteristics | combustion, fire emission of chromium and nitrogen oxides |
storage and transportation characteristics | warehouse low temperature, ventilation, drying; With food raw materials, reducing agent, separate storage of organics |
extinguishing agent | water, carbon dioxide, dry powder, sand |
Occupational Standard | TWA 0.5 mg (chromium)/m3 |