Lithium tungstate | 13568-45-1

• 分子结构分类: 无机化合物 - 混合金属/非金属化合物 - 碱金属含氧阴离子化合物
• 英文名称: Lithium tungstate
• 英文别名: dilithium;dioxido(dioxo)tungsten
• CAS: 13568-45-1
• 化学式: Li2O4W
• 分子量: 261.8
• InChiKey: SCKKBXOJPMZVPF-UHFFFAOYSA-N

物化性质

• 熔点：
  742°C
• 密度：
  3.71 g/mL at 25 °C (lit.)
• 溶解度：
  溶于H2O
• 暴露限值：
  ACGIH: TWA 3 mg/m3NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
• 稳定性/保质期：

  在常温常压下稳定，应避免光、明火和高温。易溶于水，在酸中会分解，不溶于乙醇。当加热至500～800℃时用H2还原可生成钨青铜；600℃以上则生成WO2，最终产物为W（β型）。

计算性质

• 辛醇/水分配系数(LogP)：
  -8.61
• 重原子数：
  7
• 可旋转键数：
  0
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  80.3
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• TSCA：
  Yes
• WGK Germany：
  3
• 安全说明：
  S22,S24/25

SDS

---

Section 1: Product Identification
Chemical Name: Lithium tungstate, 98%
CAS Registry Number: 13568-45-1
Formula: Li2WO4
EINECS Number: 236-978-2
Chemical Family: metal tungstate
Synonym: Tungstic acid dilithium salt

---

Section 2: Composition and Information on Ingredients
Ingredient CAS Number Percent ACGIH (TWA) OSHA (PEL)
Title Compound 13568-45-1 100% 1mg/m3 (as W) no data

---

Section 3: Hazards Identification
Lithium in soluble form is toxic to the central nervous system and on repeated ingestion may damage kidneys
Emergency Overview:
and act as a teratogen
Primary Routes of Exposure: Ingestion
Eye Contact: May cause slight to mild irritation of the eyes.
Skin Contact: May cause slight to mild irritation of the skin.
Inhalation: Do not breath dust. May be irritating to the nose, mucous membranes and respiratory tract.
Ingestion: Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.
Soluble lithium is toxic to the central nervous system. May be irritating to skin, eyes and respiratory tract. It is
Acute Health Affects:
unknown if lithium tungstate will form soluble lithium in the gastrointestinal system.
Chronic Health Affects: May cause kidney damage. May be a teratogen.
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: none required
If involved in a fire, fire fighters should be equipped with a NIOSH approved positive pressure self-contained
Special Fire Fighting Procedures:
breathing apparatus and full protective clothing.
Hazardous Combustion and None
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

---

SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with powdered sodium carbonate or ground limestone and swept up.

---

SECTION 7: Handling and Storage
Handling and Storage: Store material in a tightly sealed bottle away from moisture.

---

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 clothes and gloves. Consult glove manufacturer to determine the proper type of glove.
Ventilation: If possible, handle the material in an efficient fume hood.
In the absence of adequate ventilation a respirator should be worn. The use of a respiratory requires a
Respirator:
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: white to off-white powder
Molecular Weight: 261.73
Melting Point: 742°
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: 3.71
Odor: none
Solubility in Water: soluble

---

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

---

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: Listed in the TSCA inventory.
SARA (Title 313): Title compound not listed
Second Ingredient: none

---

SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

制备方法

在Li(OH)或Li₂CO₃溶液中溶解WO₃可制得Li₂WO₄。

合成制备方法

同样地，在Li(OH)或Li₂CO₃溶液中溶解WO₃也可制得Li₂WO₄。

用途简介

（此处未提供具体信息）

反应信息

• 作为产物：
  描述：

  lithium perchlorate 生成 Lithium tungstate
  参考文献：
  名称：

  ASHRIT, P. V.;BADER, G.;GIROUARD, FERNAND E.;TRUONG, VO-VAN, PROC. SOC. PHOTO-OPT. INSTRUM. ENG., 1149,(1989) C. 7-19

  摘要：

  DOI：

文献信息

• ASHRIT, P. V.;BADER, G.;GIROUARD, FERNAND E.;TRUONG, VO-VAN, PROC. SOC. PHOTO-OPT. INSTRUM. ENG., 1149,(1989) C. 7-19
  作者：ASHRIT, P. V.、BADER, G.、GIROUARD, FERNAND E.、TRUONG, VO-VAN

  DOI：——

  日期：——