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15878-77-0生产厂家

15878-77-0价格

15878-77-0

15878-77-0结构式
15878-77-0结构式

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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)
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。


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

符号 GHS03 GHS07
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

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:

15878-77-0 preparation