一.产品概要  Product Overview

中文名： 三氧化钨

Chinese Name: 三氧化钨

外文名： tungsten trioxide

English Name: Tungsten trioxide

别名： 钨酸酐 氧化钨

Other Names: tungsten anhydride, tungsten oxide

型号：ZBW14

Model: ZBW14

生产：上海在邦化工有限公司

Manufacturer: Shanghai ZBWM Chemical Engineering Pte. Ltd

品牌：“在邦”

Brand: “ZAIBANG”

化学式： WO3

Chemical Molecular Formula: WO3

相对分子质量： 231.85

Relative Molecular Mass: 231.85

含量大于99.9%

Content of greater than 99.9%

比重为2.88g/c m3

Specific Gravity: 2.88g/c m3

CAS号：1314-35-8

CAS Number: 1314-35-8

EINECS号 215-231-4

EINECS Number:  215-231-4

二．物理性质 Physical Properties

外观与性状：黄色粉末。

Appearance: Yellow power

熔点(℃)：1472

Melting Point (℃) ：1472

相对密度（水=1）：7.16

Relative Density (Water = 1): 7.16

沸点(℃)：1837

Boiling Point (℃)：1837

溶解性：不溶于水，溶于碱，微溶于酸。

Solubility: Insoluble in water; soluble in alkali and slightly dissolved in acid.

三.化学性质 Chemical Properties

850℃时显著升华。几乎不与除氢氟酸外的无机酸反应，能缓馒的溶于氨水或浓碱溶液。与氯气加热反应生成氯氧化物，但不能与溴、碘反应。

There is significant sublimation at 850 ℃. 几乎不与除氢氟酸外的无机酸反应，能缓馒的溶于氨水或浓碱溶液。 The product does not have chemical reactions with most of the inorganic acid except hydrofluoric acid. It can be slowly dissolved in ammonia or concentrated alkali solution. Chlorine oxides can be produced from the reaction with the chlorine through 与氯气加热反应生成氯氧化物，但不能与溴、碘反应。heating. However, the product cannot react with bromine and iodine.

四.作用与用途

三氧化钨主要用于煅烧还原生产钨粉和碳化钨粉，进而用于生产硬质合金产品，如刀具和模具的制造。同时也可用于制造纯钨制品、钨条、钨丝，钨电极；和用途配重和辐射的屏蔽材料。工业生产中也有少量的用作黄色陶瓷器的着色剂。 船舶工业中，钨的氧化钨被用作重要的防腐油漆和涂料材料。

Tungsten trioxide is mainly used in the production of tungsten powder and tungsten carbide powder through burning and reduction, which can be further used to produce carbide products, such as tool and die manufacturing. 同时也可用于制造纯钨制品、钨条、钨丝，钨电极；和用途配重和辐射的屏蔽材料。 Meanwhile, they can also be used in the manufacture of pure tungsten products, tungsten bars/wires, tungsten electrode; and shielding materials for counterweight and radiation. 工业生产中也有少量的用作黄色陶瓷器的着色剂。 There are small amount of tungsten and tungsten carbide powder used as coloring agent for yellow ceramics in industrial production. In船舶工业中，钨的氧化钨被用作重要的防腐油漆和涂料材料。 shipbuilding industry, tungsten oxide from tungsten is applied as an important anti-corrosion paint and coatings materials.

五.使用注意事项危险性概述 Precautions and Risk Overview

1.健康危害： Health Hazards
1.1.低毒。

1.1 low toxicity.
1.2.对眼睛、皮肤有刺激性。

1.2. Irritation on eyes and skin.
1.3.熔炼钨钢工人出现全身无力、发热，麻疹样皮疹、蛋白尿，可能与熔炼时吸入三氧化钨有关。

1.3. Workers in melting tungsten steel factories can have general weakness, fever, measles-like rash, proteinuria, which may due to the inhale of tungsten trioxide during smelting.

2.燃爆危险：该品不燃，具刺激性。

2. Explosion hazard: This product is nonflammable but irritating.

3.急救措施：

3. First aid measures:

3.1.皮肤接触：脱去污染的衣着，用大量流动清水冲洗。

3.1 Skin Contact: take off contaminated clothes and rinse skin with large amount of flowing fresh water.

3.2.眼睛接触：提起眼睑，用流动清水或生理盐水冲洗。就医。

3.2 Eye contact: open eyelids and rinse thoroughly with flowing clean water for about 15 minutes. Please approach to hospital for medical care immediately.

3.3.吸入：迅速脱离现场至空气新鲜处。保持呼吸道通畅。如呼吸困难，给输氧。如呼吸停止，立即进行人工呼吸。就医。

3.3 Inhalation: run away from the site to place with fresh air and maintain the airway patency. If encountering breathing difficulty, please provide oxygen; if breathing stops, please immediately conduct artificial respiration. Please approach to hospital for medical care.

3.4.食入：饮足量温水，催吐。就医。

3.4 Ingestion: drink warm water and induce vomiting for persons who accidently eat. Please approach to hospital for medical care immediately.

六.消防措施 Fire Safety Measures

危险特性：与卤素化合物如五氟化溴、三氟化氯发生剧烈反应。

Hazardous characteristics: vigorous reactions with halogen compounds such as bromine pentafluoride and chlorine trifluoride

有害燃烧产物：有害的毒性烟气。

Hazardous combustion products: harmful toxic fumes.

灭火方法：消防人员必须穿全身防火防毒服，在上风向灭火。灭火时尽可能将容器从火场移至空旷处。然后根据着火原因选择适当灭火剂灭火。

有害燃烧产物：有害的毒性烟气。灭火方法：消防人员必须穿全身防火防毒服，在上风向Fire fighting methods: firefighters must wear full fire protective suits. Please conduct firefighting at upwind direction. 灭火时尽可能将容器从火场Containers should be removed from the fire scene to empty sites as far as possible during fire fighting. 然后根据着火原因选择适当灭火剂灭火Please  PlePlease select the appropriate types of fire extinguisher based on root causes of fire breakout.

七.泄漏应急处理 Waste and Accident Management

应急处理：隔离泄漏污染区，限制出入。建议应急处理人员戴防尘口罩，穿一般作业工作服。不要直接接触泄漏物。

小量泄漏：避免扬尘，小心扫起，收集于干燥、洁净、有盖的容器中。

大量泄漏：收集回收或运至废物处理场所处置。

Emergency treatment: isolation of the leak contaminated areas and restriction of access. 建议应急处理人员戴防尘口罩，穿一般作业工作服。Emergency response personnel are recommended to wear dust-proof masks, general operations work uniform. 不要直接接触泄漏物。 Do not directly contact with leakage.

小量泄漏：避免扬尘，小心扫起，收集于干燥、洁净、有盖的容器中。Small leakage: Avoid dust and carefully sweep. Please collect leaks and put into dry, clean and covered containers.

大量泄漏：收集回收或运至废物处理场所处置。Large Leakage: recycling or collection of leaks and shipped to the waste disposal sites.

八.操作处置与储存 Handling and Storage

操作注意事项：密闭操作，局部排风。防止粉尘释放到车间空气中。操作人员必须经过专门培训，严格遵守操作规程。建议操作人员佩戴自吸过滤式防尘口罩，戴化学安全防护眼镜，穿橡胶耐酸碱服，戴橡胶耐酸碱手套。避免产生粉尘。避免与五氟化溴、三氟化氯接触。配备泄漏应急处理设备。倒空的容器可能残留有害物。

Handling Precautions: closed operation with partial ventilation. 防止粉尘释放到车间空气中Prevent dust released into the air workshop. 操作人员必须经过专门培训，严格遵守操作规程。All operators must go through specialized training and strictly adhere to the rules and procedures. 建议操作人员佩戴自吸过滤式防尘口罩，戴化学安全防护眼镜，穿橡胶耐酸碱服，戴橡胶耐酸碱手套。Operators are recommended to wear self-absorption filtering dust-proof masks, chemical protective safety glasses, rubber anti-acid sui and gloves. 避免产生粉尘。 Please avoid generating of dust and contact with 避免与五氟化溴、三氟化氯接romine pentafluoride and chlorine trifluoride. 配备泄漏应急处理设备。 The working site should be equipped with emergency response of leakage management. 倒空的容器可能残留有害物。 Empty containers may contain harmful residues.

储存注意事项：储存于阴凉、通风的库房。远离火种、热源。防止阳光直射。包装密封。应与五氟化溴、三氟化氯分开存放，切忌混储。储区应备有合适的材料收容泄漏物。

储存注意事项：储存于阴凉、通风的库房。Storage Precautions: Please store in a cool and ventilated warehouse 远离火种and away from any fire or heat source. 防止阳光直射。 Prevent direct sunlight exposure with packing sealed. 包Products should stored separately from bromine pentafluoride and chlorine trifluoride to avoid mixing storage. 储区应备有合适的材料收容泄漏物 。Storage areas should be equipped with suitable material recycling point for leakages.

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