Silica

Name: Silica
Brand: Jinan Shenghe Chemical Co., Ltd.
SKU: 2059

CAS 7631-86-9SiO2MW 60.08 g/mol

Silica (CAS 7631-86-9) — formula SiO2, molecular weight 60.08 g/mol; category chemical.

Specifications

CAS Number7631-86-9

Molecular FormulaSiO2

Molecular Weight60.08 g/mol

Melting Point3110 °F (NIOSH, 2024)

Boiling Point4046 °F at 760 mmHg (NIOSH, 2024)

CategoryAnti-caking Agents

Purchase Profile

What this product is

Silica is a chemical compound with CAS registry number 7631-86-9 and molecular formula SiO2 (molecular weight 60.08 g/mol), belonging to the chemical segment of chemical raw materials.

Identification

CAS number: 7631-86-9

Its molecular formula SiO2 comprises 1 Si, 2 O atoms.

Also known as: Silica · Silicon dioxide

Category: chemical

Frequently Asked Questions

What is the CAS number of Silica?

The CAS registry number of Silica is 7631-86-9.

What is the molecular formula and molecular weight of Silica?

Molecular formula SiO2, molecular weight 60.08 g/mol.

What other names is Silica known by?

It is also registered under: Silica, Silicon dioxide.

Which category does Silica belong to?

Category: Anti-caking Agents.

PubChem Public Data

Public-database records for Silica (CAS 7631-86-9), reproduced here for independent cross-checking.

Safety classification and hazard statements

GHS 通报统计	35% (889 / 2540)
已通报的危害声明	H315 (56.3%), H319 (56.3%), H335 (56.3%), H350 (12.6%), H372 (46%), H373 (29.4%), H341, H320

Regulatory listings

法规与食品接触	FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRY FDA 21 CFR 中列出的食品接触物质清单：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 用于各种食品和食品包装材料
GHS 通报统计	35% (889 / 2540)

法规与食品接触

FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIOXIDANT, COLOR OR COLORING ADJUNCT, DRY
FDA 21 CFR 中列出的食品接触物质清单：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
用于各种食品和食品包装材料

GHS 通报统计

35% (889 / 2540)

Reported physical properties

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

How this substance is indexed

CAS 号	7631-86-9
PubChem CID	24261
分子式	SiO2
分子量	60.08 g/mol
IUPAC 名称	dioxosilane
InChIKey	VYPSYNLAJGMNEJ-UHFFFAOYSA-N
UNII（FDA）	ETJ7Z6XBU4
ChEBI 编号	CHEBI:30563

Names this substance appears under

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

Computed molecular descriptors

分子量	60.084
氢键供体数	0
氢键受体数	2
可旋转键数	0
精确质量	59.966755773
单同位素质量	59.966755773
拓扑极性表面积	34.1
重原子数	3
形式电荷	0
复杂度	18.3

Database abstract

Silicon dioxide 的 CAS 号为 7631-86-9，分子式 SiO2，分子量 60.08 g/mol。 UNII ETJ7Z6XBU4; ChEBI 30563; InChIKey VYPSYNLAJGMNEJ-UHFFFAOYSA-N. 沸点: 4046 °F at 760 mmHg (NIOSH, 2024); 沸点: 4046 °F; 沸点: 2230 °C.

Source: PubChem / Wikidata; the batch COA governs where values differ.

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