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12229-13-9生产厂家

12229-13-9价格

12229-13-9

12229-13-9结构式
12229-13-9结构式

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中文名 五硼酸钾八水合物
英文名 pentapotassium,pentaborate,octahydrate
中文别名 五硼酸钾八水
英文别名 Potassium pentaborate octahydrate
Boron potassium oxide (B5KO8),tetrahydrate
POTASSIUM PENTABORATE OCTAHYDRATE,97
MFCD00213879
熔点 780ºC
分子式 B5H16K5O23
分子量 633.66000
精确质量 633.87300
PSA 419.74000
储存条件

常温密闭避光,通风干燥处

稳定性

常温常压下稳定

避免的物料 氧化物。五硼酸钾和五硼酸钠相反,它在冷水中的溶解度很小,此起四硼酸钾来要小得多。例如,在0℃时于100g溶剂中只能溶解1.58g无水盐,这只比过氯酸钾的溶解度稍大一些。在18℃时的溶解度为100g溶液中含2.75g,而在25℃时则含3.41g。
计算化学

1.疏水参数计算参考值(XlogP):无

2.氢键供体数量:8

3.氢键受体数量:23

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354

7.重原子数量:33

8.表面电荷:-10

9.复杂度: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:18

更多

1. 性状:白色粉末

2. 密度(g/mL,20℃):未确定

3. 相对蒸汽密度(g/mL,空气=1):未确定

4. 熔点(ºC):780

5. 沸点(ºC,常压):未确定

6. 沸点(ºC,1mmHg):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(20ºC):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:未确定


Section 1: Product Identification
Chemical Name:Potassium pentaborate octahydrate, 97%
CAS Registry Number:12229-13-9
Formula:K2B10O16.8H2O
EINECS Number:none
Chemical Family:organic or inorganic borate
Synonym:none

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound12229-13-9100%10mg/m315mg/m3

Section 3: Hazards Identification
Dust may be irritating to eyes and respiratory tract. Ingestion of large amounts of soluble borates may cause
Emergency Overview:
toxic effects.
Primary Routes of Exposure:Ingestion, Inhalation of dust.
Eye Contact:May cause mild to moderate irritation of the eyes
Skin Contact:May cause slight to mild irritation of intact skin. Irritation is greater if broken skin is exposed.
Inhalation:Dust may be irritating to the nose, mucous membranes and respiratory tract.
Soluble borates, if ingested in large quantity, may cause twitching of facial muscles, diarrhea, kidney damage,
Ingestion:
shock and coma.
Acute Health Affects:May be irritating to broken skin, eyes and respiratory tract.
Repeated exposure to small amounts has not been associated with long term chronic effects. Large repeated
Chronic Health Affects:
exposure to some boron compounds has reportedly resulted in weight loss, skin rash, and anemia.
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:no data
Autoignition Temperature:no data
Explosion Limits:no data
Extinguishing Medium:none required
Special Fire Fighting Procedures:No special fire fighting procedures required.
Hazardous Combustion andIf involved in a fire this material may emit irritating dusts.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Small spills can be mixed with vermiculite, sodium carbonate or other suitable non combustible adsorbent and
Spill and Leak Procedures:
swept up.

SECTION 7: Handling and Storage
Handling and Storage:Store the material in a tightly sealed container in a cool, dry place.

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 appropriate chemical resistant gloves and clothing.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If in form of fine dust and ventilation is not available a respirator should be worn. The use of respirators
Respirator:
requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Material may form a fine dust. 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:white powder
Molecular Weight:442.30 (586.43)
Melting Point:780°
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:none
Solubility in Water:.007g/100cc (0C)

SECTION 10: Stability and Reactivity
Stability:air and moisture stable
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:active metals
Decomposition Products:boron oxide and potassium oxide

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

SECTION 12: Ecological Information
Ecological Information:No information available

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR):Non-hazardous
Hazard Class (CFR):NA
Additional Hazard Class (CFR):NA
Packaging Group (CFR):NA
UN ID Number (CFR):NA
Shipping Name (IATA):Non-hazardous
Hazard Class (IATA):NA
Additional Hazard Class (IATA):NA
Packaging Group (IATA):NA
UN ID Number (IATA):NA

SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory
SARA (Title 313):Title compound not listed
Second Ingredient:none


SECTION 16 - ADDITIONAL INFORMATION
N/A

毒理学数据:

主要的刺激性影响:

在皮肤上面:可能引起发炎

在眼睛上面:可能引起发炎

致敏作用:没有已知的敏化现象

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。

五硼酸钾可以由B2O3∶K2O为3~5的范围内甚至比5还高些的溶液中结晶出来。所得的物质很纯,并可以在热溶液中进行重结晶而不会分解。由于五硼酸钾的溶解度很小,因此它可以用氢氧化钾由五硼酸钠溶液中将钠置换出来而制得。它也可以用硼酸与蚁酸钾反应而制得。