Molecular Formula | Cl2Mn |
Molar Mass | 125.84 |
Density | 2.98 g/mL at 25 °C (lit.) |
Melting Point | 652 °C (lit.) |
Boling Point | 1190 °C |
Flash Point | 1190°C |
Water Solubility | 723 g/L (25 ºC) |
Solubility | Solubility in water: 723 g/L (25°C) Solubility in other solvents: Soluble in alcohol In |
Vapor Presure | 0Pa at 20℃ |
Appearance | Rose red crystalline powder |
Specific Gravity | 2.98 |
Color | Pink |
Exposure Limit | ACGIH: TWA 0.02 mg/m3; TWA 0.1 mg/m3OSHA: Ceiling 5 mg/m3NIOSH: IDLH 500 mg/m3; TWA 1 mg/m3; STEL 3 mg/m3 |
Merck | 14,5728 |
Storage Condition | 2-8°C |
Stability | Stable, but moisture sensitive. Incompatible with strong acids, reactive metals, hydrogen peroxide. |
Sensitive | Hygroscopic |
MDL | MFCD00011114 |
Physical and Chemical Properties | Melting point 652°C(lit.) boiling point 1190°C density 2.98g/mL at 25°C(lit.) flash point 1190°C storage conditions 2-8°C solubility H2O: solution form flavors water solubility: 723g/L (25°C) sensitive hygrundergone Merck 14,5728 |
Use | For aluminum alloy smelting, organic chloride catalyst, dye and pigment manufacturing, as well as for pharmaceutical and dry battery |
Hazard Symbols | Xn - Harmful |
Risk Codes | R22 - Harmful if swallowed R52 - Harmful to aquatic organisms R48/22 - Harmful danger of serious damage to health by prolonged exposure if swallowed. R25 - Toxic if swallowed |
Safety Description | S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S22 - Do not breathe dust. S36 - Wear suitable protective clothing. |
UN IDs | UN 3288 6.1/PG 3 |
WGK Germany | 1 |
RTECS | OO9625000 |
TSCA | Yes |
HS Code | 28273990 |
Hazard Class | 6.1 |
Toxicity | LD50 in mice, rats (mg/kg): 1330.0, 1470.0 orally; 126.0, 147.0 i.p.; 171.0, 92.6 i.v. (Singh, Junnarkar) |
Reference Show more | 1. Qian Weidong, Fu Yunfang, Hu Na. Study on fermentation conditions of lactase production by Klyveromyces lactis yeast [J]. Chinese agricultural bulletin, 2012. 2. [IF = 11.556] Zijun Shen et al."Tumor microenvironment-triggered nanosystems as dual-relief Tumor Hypoxia immunomodulators for enhanced phototherapy." Theranostics. 2020; 10(20): 9132-9152 3. [IF = 5.81] Xing Feng et al."Docetaxel-Loaded Novel Nano-Platform for Synergistic Therapy of Non-Small Cell Lung Cancer..." Front Pharmacol. 2022 Mar;13:832725-832725 4. [IF = 3.5] Jiakun Shen et al."Mogroside V exerts anti-inflammatory effects on fine particulate matter-induced inflammation in porcine alveolar macrophages."Toxicol In Vitro. 2022 Apr;80:105326 5. [IF=11.614] Pengfei He et al."Structural mechanism of a dual-functional enzyme DgpA/ B /C as both a C- glycoside cleaving enzyme and an O- to C- glycoside isomerase."Acta Pharmaceutica Sinica B. 2022 May ;: |
The manganese chloride tetrahydrate was a rose-colored monoclinic crystal. Relative density of 2. 01, melting point of 58 ℃, soluble in water, soluble in alcohol, insoluble in ether. Water absorption, easy deliquescence, 106 deg C to lose a molecule of crystal water, 198~200 deg C to lose all the crystal water into anhydrous. The relative density of anhydrous 2. 977 (25 deg C), melting point of 650 deg C, boiling point of 1190 deg C.
The magnesite or pyrolusite is prepared by reacting it with hydrochloric acid, and then neutralizing and removing impurities.
nutritional supplement (manganese fortifier). China provides dairy products 1. 08~4.32 mg/kg; Infant food 1. 32~5.26 mg/kg.
mouse oral LDso:1715mg/kg. GRAS(FDA, & sect;182, 2000). This product is non-flammable and explosive. Should be stored in a cool, ventilated, dry warehouse, sealed storage, according to the general chemical transport, anti-rain and sun exposure.
NIST chemical information | information provided by: webbook.nist.gov (external link) |
EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
solubility in water (g/100ml) | grams dissolved per 100ml of water at different temperatures (℃): 63.4g/0 ℃;68.1g/10 ℃;73.9g/20 ℃;80.8g/30 ℃;88.5g/40 ℃ 109g/60 ℃;113g/80 ℃;114g/90 ℃;115g/100 ℃ |
Use | nutritional supplement (manganese fortifier). used in aluminum alloy smelting, organic chloride catalyst, dye and pigment manufacturing, synthesis of a novel high-spin six-core Mn(III) cluster compound [NaMn6(OMe)] via MnCl2 oxidation and simultaneous NaOMe-promoted aggregation 12(dbm)6]. The cluster compound has a completely new ring structure with 24 unpaired electrons in the ground state. 1 is also used to form active Mn(0) species that can be used in free radical cyclization reactions. |
production method | The magnesite is reacted with hydrochloric acid to neutralize and remove impurities such as iron and calcium. The pyrolusite was reacted with hydrochloric acid and obtained by impurity removal. |
category | toxic substances |
toxicity grade | high toxicity |
Acute toxicity | oral-rat LD50 250 mg/kg; Oral-mouse LD50: 1031 mg/kg |
flammability hazard characteristics | |
storage and transportation characteristics | The warehouse is low temperature, ventilated and dry, and stored separately from food raw materials |
extinguishing agent | water, carbon dioxide, dry powder, sand |
Occupational Standard | TWA 0.2 mg (MN)/m3 |
toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |