15878-77-0

• 常用中文名：硝酸镨
• 常用英文名：Praseodymium nitrate hydrate (1:3:6)
• CAS号：15878-77-0
• 分子式：H₁₂N₃O₁₅Pr
• 分子量：435.014
• 相关类别： 无机化工 无机盐 金属硝酸盐及亚硝酸盐
• 发布时间：2018-03-24 08:00:00
• 更新时间：2024-01-03 00:10:11

• 实验用试剂。特种合金。用于三元催化剂，化学试剂等其他行业。

名称

• 中文名: 硝酸镨
• 英文名: Praseodymium nitrate
• 中文别名: 硝酸镨(III)六水合物
• 英文别名: Praseodymium trinitrate hexahydrate; praseodymium(3+),trinitrate,hexahydrate; Praseodymium(Iii) Nitrate Hexahydrate,Reacton,Reo); Praseodymium(Iii) Nitrate Hexahydrate; MFCD00149826; EINECS 233-796-5; Praseodymium nitrate hydrate (1:3:6)

物化性质

• 密度: 2.233 g/cm3
• 沸点: 83ºC at 760 mmHg
• 熔点: 56ºC
• 分子式: H₁₂N₃O₁₅Pr
• 分子量: 435.014
• 精确质量: 434.934448
• PSA: 262.02000
• LogP: 0.46650
• 外观性状: 绿黄色-绿色晶体
• 蒸汽压: 49.8mmHg at 25°C
• 折射率: 1.476
• 储存条件:

  常温密闭避光，通风干燥

• 稳定性:

  常温常压下稳定

  避免的物料： 还原剂 易化材料 酸 碱 金属粉末

• 计算化学:

  1.疏水参数计算参考值（XlogP）:无

  2.氢键供体数量:6

  3.氢键受体数量:15

  4.可旋转化学键数量:0

  5.互变异构体数量:无

  6.拓扑分子极性表面积195

  7.重原子数量:19

  8.表面电荷:0

  9.复杂度:18.8

  10.同位素原子数量:0

  11.确定原子立构中心数量:0

  12.不确定原子立构中心数量:0

  13.确定化学键立构中心数量:0

  14.不确定化学键立构中心数量:0

  15.共价键单元数量:10

• 更多:

  1.性状：绿色针状结晶。

  2.密度（g/mL,25/4℃）：未确定

  3.相对蒸汽密度（g/mL,空气=1）：未确定

  4.熔点（ºC）：未确定

  5.沸点（ºC,常压）：未确定

  6.沸点（ºC,5.2kPa）：未确定

  7.折射率：未确定

  8.闪点（ºC）：未确定

  9.比旋光度（º）：未确定

  10.自燃点或引燃温度（ºC）：未确定

  11.蒸气压（kPa,25ºC）：未确定

  12.饱和蒸气压（kPa,60ºC）：未确定

  13.燃烧热（KJ/mol）：未确定

  14.临界温度（ºC）：未确定

  15.临界压力（KPa）：未确定

  16.油水（辛醇/水）分配系数的对数值：未确定

  17.爆炸上限（%,V/V）：未确定

  18.爆炸下限（%,V/V）：未确定

  19.溶解性：易溶于水和醇。

MSDS

Section 1: Product Identification Chemical Name:Praseodymium (III) nitrate hexahydrate (99.9%-Pr) (REO) CAS Registry Number:15878-77-0 Formula:Pr(NO3)3.6H2O EINECS Number:233-796-5 Chemical Family:metal nitrate salts Synonym:Nitric acid, praseodymium(3+) salt, hexahydrate Section 2: Composition and Information on Ingredients IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL) Title Compound15878-77-0100%no datano data Section 3: Hazards Identification Emergency Overview:Irritating to eyes, skin and respiratory tract. May be harmful if swallowed. Primary Routes of Exposure:Ingestion Eye Contact:Causes slight to mild irritation of the eyes Skin Contact:Causes slight to mild irritation of the skin. Inhalation:Irritating to the nose, mucous membranes and respiratory tract. Ingestion:Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions. Acute Health Affects:Irritating to skin, eyes and respiratory tract. Chronic Health Affects:No information available on long-term chronic effects. NTP:No IARC:No OSHA:No SECTION 4: First Aid Measures Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need Eye Exposure: assistance in keeping their eye lids open. Get immediate medical attention. Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if Skin Exposure: irritation persists. Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty Inhalation: in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance. Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce Ingestion: vomiting only if directed by medical personnel. SECTION 5: Fire Fighting Measures Flash Point:not applicable Autoignition Temperature:none Explosion Limits:none Extinguishing Medium:carbon dioxide, foam or dry powder If this product is involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure Special Fire Fighting Procedures: self-contained breathing apparatus and full protective clothing. Hazardous Combustion andIf involved in a fire this material may emit irritating fumes. Decomposion Products: Unusual Fire or Explosion Hazards: Metal nitrates can be oxidizers. Contact with strong reducing agents could lead to fires and/or explosions. SECTION 6: Accidental Release Measures Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up. SECTION 7: Handling and Storage Handling and Storage:Store in a tightly sealed container. Keep away from heat and direct sunlight. SECTION 8: Exposure Controls and Personal Protection Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory. Skin Protection:Wear protective clothing and gloves Ventilation:If possible, handle the material in an efficient fume hood. If ventilation is not available a respirator should be worn. The use of respirators requires a Respiratory Respirator: Protection Program to be in compliance with 29 CFR 1910.134. Ventilation:If possible, handle the material in an efficient fume hood. Additional Protection:No additional protection required. SECTION 9: Physical and Chemical Properties Color and Form:light green xtl. Molecular Weight:326.92 (435.02) Melting Point:no data Boiling Point:no data Vapor Pressure:not applicable Specific Gravity:no data Odor:none Solubility in Water:soluble SECTION 10: Stability and Reactivity Stability:air and moisture stable Hazardous Polymerization:no hazardous polymerization Contact with strong reducing agents or organic matter. Some nitrates can explode if heated to high Conditions to Avoid: temperatures. Incompatibility:reducing agents, organic matter, phosphorus and sulfur Decomposition Products:nitrogen oxides and praseodymium salts SECTION 11: Toxicological Information Oral (rat); LD50: 3500 mg/kg. Intraperitoneal (rat); LD50: 245 mg/kg. Intraperitoneal (mouse); LD50: 290 RTECS Data: mg/kg. Carcinogenic Effects:No data available Mutagenic Effects:No data available Tetratogenic Effects:No data available SECTION 12: Ecological Information Ecological Information:No data available SECTION 13: Disposal Considerations Disposal:Dispose of according to local, state and federal regulations. SECTION 14: Transportation Shipping Name (CFR):Nitrates, Inorganic, N.O.S. Hazard Class (CFR):5.1 Additional Hazard Class (CFR):NA Packaging Group (CFR):II UN ID Number (CFR):UN# 1477 Shipping Name (IATA):Nitrates, Inorganic, N.O.S. Hazard Class (IATA):5.1 Additional Hazard Class (IATA):NA Packaging Group (IATA):II UN ID Number (IATA):UN# 1477 SECTION 15: Regulatory Information TSCA:Not listed in the TSCA inventory. SARA (Title 313):Title compound: See Category Code N511 for reporting. Second Ingredient:none SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

毒理学数据: 急性毒性：小鼠口经LD50：3500mg/kg 小鼠腹腔LD50：245mg/kg；大鼠LD50：290mg/kg 生态学数据: 通常对水体是稍微有害的，不要将未稀释或大量产品接触地下水，水道或污水系统，未经政府许可勿将材料排入周围环境。 CHEMICAL IDENTIFICATION RTECS NUMBER : TU1400000 CAS REGISTRY NUMBER : 15878-77-0 LAST UPDATED : 199106 DATA ITEMS CITED : 3 MOLECULAR FORMULA : N3-O9.Pr.6H2-O MOLECULAR WEIGHT : 435.06 WISWESSER LINE NOTATION : PR N-O3*3 &QH 6 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 3500 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 5,750,1963 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 245 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 5,750,1963 TYPE OF TEST : LD50 - Lethal dose, 50 percent kill ROUTE OF EXPOSURE : Intraperitoneal SPECIES OBSERVED : Rodent - mouse DOSE/DURATION : 290 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 5,750,1963

安全

• 符号: GHS03, GHS07
• 信号词: Warning
• 危害声明: H272-H315-H319-H335
• 警示性声明: P220-P261-P305 + P351 + P338
• 个人防护装备: dust mask type N95 (US);Eyeshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
• 危害码 (欧洲): O: Oxidizing agent;Xi: Irritant;
• 风险声明 (欧洲): R8;R20;R21;R22;R36;R37;R38
• 安全声明 (欧洲): S17-S26-S27-S36/37/39
• 危险品运输编码: UN 1465 5.1/PG 3
• WGK德国: 2
• RTECS号: TU1400000
• 包装等级: III
• 危险类别: 5.1

制备

萃取法：氯化稀土溶液为原料，用P204-煤油-HCl-RｅCl3体系萃取，可将稀土混合物分成轻、中、重稀土三组。萃余液La-Nd组轻稀土，按草酸盐沉淀次序为：钐、钕、镨、铈、镧，将其进行分离。可将草酸盐沉淀生成可溶性络合物后再沉淀使其分离，经烘干、灼烧得氧化镨后用硝酸溶解，经结晶、分离得硝酸镨。其反应式如下：