10034-76-1

10034-76-1结构式

常用中文名：硫酸钙半水合物
常用英文名：calcium sulfate hemihydrate
CAS号：10034-76-1
分子式：H₂CaO₅S
分子量：154.156
相关类别：无机化工无机盐金属硫化物及硫酸盐
发布时间：2018-02-06 08:00:00
更新时间：2024-01-08 16:18:15
1、食用石膏粉用作豆制品凝固剂
2、用作片剂、胶囊剂的稀释剂，填充剂，缓释剂的固化剂等
3、食用石膏粉用于建筑板材，也用于农业等
4、 α型在建筑上用作高强度石膏构件、石膏板、铸造模型及机械加工时的固定胶凝加工件。Β型主要用于建筑材料、粉饰石膏构件、石膏塑像、陶瓷、精密机械铸件型模、粉笔、胶凝剂等方面。

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中文名	硫酸钙
英文名	calcium sulfate hemihydrate
英文别名	CALCINED GYPSUM Calcium sulfate hemihydrate CalciumSulphateDriedBp Calcium sulfate hydrate (1:1:1) EINECS 231-900-3 CALCIUM SULFATE 0.5-WATER CALCIUM SULFATE CALCINED CALCIUM SULPHATE 1/2 H2O Calcium sulfate,medicinal Dried gypsum PLASTER OF PARIS Calcium sulfate, hemihydrate GYPSUM

沸点	330ºC at 760mmHg
熔点	1450ºC
分子式	H₂CaO₅S
分子量	154.156
精确质量	153.924881
PSA	97.87000
外观性状	白色粉末
储存条件	置于阴凉、干燥的库房中。应防止受潮和雨淋，以避免结块变质。
稳定性	常温常压下稳定，避免强氧化剂。难溶于水（20℃时0.3g/100ml水），溶于酸、铵盐、硫代硫酸钠和甘油。与水混合后形成塑性易浇砌浆体，隔一定时间后硬化成坚固石状体，并伴有微量的体积膨胀及放热。属于气硬性建筑胶凝物质。分α型和β型两种，α型俗称高强度建筑石膏，β型俗称熟石膏或烧石膏。工作中应保护呼吸器官，穿工作服、戴防护眼镜。遵守个人防护措施，工作场所应注意防尘和除尘。
水溶解性	sets to hard mass when mixed with H2O [MER06]; g/100g solution H2O: 1.23 (0°C), 0.71 (25°C), 0.189 (100°C); solid phase, CaSO4 · 1/2H2O [KRU93]
更多	1. 性状：白色粉末 2. 密度（g/mLat 25°C）：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, 760mmHg）：未确定 7. 折射率（n20/D）：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（mmHg,20ºC）：未确定 12. 饱和蒸气压（kPa,-58 ºC）：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（MPa）：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：溶于酸、铵盐、硫代硫酸钠和甘油。

Name:	Calcium Sulfate Hemihydrate Material Safety Data Sheet
Synonym:	Sulfuric acid calcium salt hemihydrat
CAS:	10034-76-1

Section 1 - Chemical Product MSDS Name:Calcium Sulfate Hemihydrate Material Safety Data Sheet
Synonym:Sulfuric acid calcium salt hemihydrat

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
10034-76-1	CALCIUM SULFATE HEMIHYDRATE	100	unlisted

Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
Causes eye irritation. May cause conjunctivitis.
Skin:
Causes skin irritation.
Ingestion:
Ingestion of large amounts may cause gastrointestinal irritation.
Inhalation:
Dust is irritating to the respiratory tract.
Chronic:
Prolonged inhalation may cause respiratory tract inflammation and lung damage.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Substance is noncombustible; use agent most appropriate to extinguish surrounding fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 10034-76-1: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: white
Odor: odorless
pH: 6-7.6 for 20% soln.
Vapor Pressure: Not applicable.
Viscosity: Not available.
Boiling Point: Not applicable.
Freezing/Melting Point: 2642 deg F
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: 0.3% in water.
Specific Gravity/Density: Not available.
Molecular Formula: CaSO4. 0.5 H2O
Molecular Weight: 145.15

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, moisture.
Incompatibilities with Other Materials:
Calcium sulfate is incompatible with aluminum and diazonethane. At high temperatures, mixtures of calcium sulfate and phosphorus ignites.
Hazardous Decomposition Products:
Oxides of sulfur.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 10034-76-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
CALCIUM SULFATE HEMIHYDRATE - Not listed by ACGIH, IARC, or NTP.

Section 12 - ECOLOGICAL INFORMATION

Section 13 - DISPOSAL CONSIDERATIONS
Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION

IATA
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
WGK (Water Danger/Protection)
CAS# 10034-76-1: 0
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 10034-76-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 10034-76-1 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).

SECTION 16 - ADDITIONAL INFORMATION
N/A

安全声明 (欧洲)	S22-S24/25
危险品运输编码	NONH for all modes of transport
海关编码	2833299090

海关编码	2833299090

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