- Shanghai Nianxing Industrial Co., Ltd
- China
- Product Name: Silicon dioxide
- Price: Check
- Purity: 99.7%
- Stocking Period: 10 Day
- Contact: Yang
- Email: sales@echemcloud.com
- Shanghai Jizhi Biochemical Technology Co., Ltd
- China
- Product Name: Silicon dioxide
- Price: ￥238.0/500g
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Liu jia
- Email: 2130147988@qq.com
- Dayang Chem (Hangzhou) Co., Ltd.
- China
- Product Name: Silicon dioxide
- Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
- Purity: 98.0%
- Stocking Period: Inquiry
- Contact: Ms Wang
- Email: enquiry@dycnchem.com
- Henan Tianfu Chemical Co., Ltd.
- China
- Product Name: silicon dioxide
- Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
- Purity: 99.0%
- Stocking Period: Inquiry
- Contact: Anson
- Email: info@tianfuchem.com
7631-86-9
7631-86-9 structure
- Name: Silicon dioxide
- Chemical Name: silicon dioxide
- CAS Number: 7631-86-9
- Molecular Formula: O2Si
- Molecular Weight: 60.084
- Catalog: Inorganic chemical industry Oxides and peroxides Non-metal oxides and peroxides
- Create Date: 2018-02-07 08:00:00
- Modify Date: 2025-08-21 13:47:25
| Name | silicon dioxide |
|---|---|
| Synonyms |
MFCD00148343
EINECS 231-545-4 Silicon dioxide |
| Density | 2.6 |
|---|---|
| Boiling Point | >100ºC(lit.) |
| Melting Point | 1610ºC |
| Molecular Formula | O2Si |
| Molecular Weight | 60.084 |
| Flash Point | n/a |
| Exact Mass | 59.966755 |
| PSA | 34.14000 |
| Index of Refraction | 1.46 |
| Storage condition | Refrigerator (+4°C) |
| Stability | Stable. |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xi:Irritant |
| Risk Phrases | R36/37 |
| Safety Phrases | S26-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 1 |
| RTECS | VV7310000 |
| HS Code | 3802900090 |
| Precursor 0 | |
|---|---|
| DownStream 6 | |
| HS Code | 3802900090 |
|---|