气相二氧化硅

Name: 气相二氧化硅
Brand: 济南圣和化工有限公司

CAS 13778-37-5O2SiMW 60.084

气相二氧化硅，CAS 登记号 13778-37-5，由济南圣和化工有限公司现货供应，可提供纯度按批次COA提供(不公开发布) 的规格，下游主要用于特种化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。

规格参数

CAS号13778-37-5

分子式O2Si

分子量60.084

熔点3110 °F (NIOSH, 2024)

沸点4046 °F at 760 mmHg (NIOSH, 2024)

纯度按批次COA提供(不公开发布)

包装按订单/批次确认(不公开发布)

应用领域特种化学品

类别特种化学品

用途与场景

特种化学品

包装与供货

包装规格按订单/批次确认(不公开发布)

纯度规格按批次COA提供(不公开发布)

储存条件密封、阴凉干燥处保存

供货周期现货/按订单安排

文件与支持

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常见问题

在哪里能查到气相二氧化硅的 CAS 号？

本页已列出气相二氧化硅的 CAS 号：13778-37-5，可与随货 COA 核对。

可以提供哪些规格和包装？

常见纯度为按批次COA提供(不公开发布)，包装形式为按订单/批次确认(不公开发布)，特殊规格可在询价时说明。

气相二氧化硅一般用在什么产品里？

主要涉及特种化学品。

下单流程是怎样的？

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PubChem 公开数据

Description

Fused Silica · CAS 13778-37-5 · O2Si. UNII ETJ7Z6XBU4. Boiling Point: 4046 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 4046 °F; Boiling Point: 2230 °C.

Identification

CAS Registry Number	13778-37-5
PubChem CID	24261
Molecular formula	O2Si
IUPAC name	dioxosilane
UNII (FDA)	ETJ7Z6XBU4

Computed Descriptors

Molecular Weight	60.084
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	59.966755773
Monoisotopic Mass	59.966755773
Topological Polar Surface Area	34.1
Heavy Atom Count	3
Formal Charge	0
Complexity	18.3

Physical & Chemical Properties

Boiling Point	4046 °F at 760 mmHg (NIOSH, 2024)
Boiling Point	4046 °F
Boiling Point	2230 °C
Boiling Point	2950 °C @760 [mm Hg]
Melting Point	3110 °F (NIOSH, 2024)
Melting Point	3110 °F
Melting Point	1710 °C
Melting Point	1716 - 1736 °C
Melting Point	1713 °C
Melting Point	1722 °C

Physical description & handling notes

Transparent to gray, odorless powder. Irritating to the skin and eyes on contact. Inhalation will cause irritation in the respiratory tract. [Note: Amorphous silica is the non-crystalline form of SiO2.]
Dry Powder; Other Solid; Large Crystals; CBI
Dry Powder; Wet Solid; Other Solid; Large Crystals; CBI; Liquid
Liquid; Other Solid; Dry Powder
White, fluffy powder or granules. Hygroscopic
Transparent to gray, odorless powder. [Note: Amorphous silica is the non-crystalline form of SiO2.]; [NIOSH]

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRY FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS ANTICAKING_AGENT: Food Additives ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRYING AGENT, EMULSIFIER OR EMULS Use in a variety of foods and food-packing materials
GHS notification summary	35% (889 / 2540)

Regulatory & Food Contact

FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRY
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS
ANTICAKING_AGENT: Food Additives
ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRYING AGENT, EMULSIFIER OR EMULS
Use in a variety of foods and food-packing materials

GHS notification summary

35% (889 / 2540)

GHS Hazard Classification

GHS notification summary	35% (889 / 2540)
Reported hazard statements	H315 (56.3%), H319 (56.3%), H335 (56.3%), H350 (12.6%), H372 (46%), H373 (29.4%), H341, H320

Reported as not meeting GHS hazard criteria by 7724 of 9127 companies

Aggregated GHS information provided per 9127 reports by companies from 60 notifications to the ECHA C&L Inventory.

Documented Uses

Semiconductor Manufacturing [Category: Industry]
Cement Producing [Category: Industry]
Farming (Feed Additives) [Category: Industry]
Amorphous silica (such as fumed silica) is incorporated in a variety of food products as anti-caking agents at levels up to 2% by weight. Amorphous silica is also used as an anti-caking agent and as an excipient in pharmaceuticals for various drug and vitamin preparations.
Bioactive glasses are silica-based, surface-active bone substitutes that have shown good biocompatibility both in bone and in soft tissue and are used in oral and maxillofacial bone augmentation.
For more Uses (Complete) data for AMORPHOUS SILICA (18 total), please visit the HSDB record page.

Synonyms

SILICON DIOXIDE; Silica; Dioxosilane; 7631-86-9; Silicic anhydride; Diatomaceous silica; Wessalon; Zorbax sil; Silica, amorphous; Silica, colloidal; Sillikolloid; Acticel; Carplex; Extrusil; Porasil; Santocel

Frequently Asked Questions

What are the CAS number and molecular formula of Fused Silica?

CAS 13778-37-5; molecular formula O2Si; molecular weight — g/mol.

What other names is Fused Silica known by?

SILICON DIOXIDE, Silica, Dioxosilane, 7631-86-9, Silicic anhydride, Diatomaceous silica.

What is the regulatory status of Fused Silica?

Documented regulatory listings: FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRY; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; FDA Inventory of Effective Food Contact Substance (FCS) Noti: FCS.

Is Fused Silica classified as hazardous?

35% of GHS notifications report no hazard classification (889 of 2540).

What are the key physical properties of Fused Silica?

Boiling Point: 4046 °F at 760 mmHg (NIOSH, 2024); Boiling Point: 4046 °F; Boiling Point: 2230 °C; Boiling Point: 2950 °C @760 [mm Hg].

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.

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