# Guowei Chemical — Sodium Nitrite Product Site (LLMs & AI Search)
# https://llmstxt.org/
# Site: https://www.guoweichemistrysodiumnitrite.com/

> Shandong Guowei Chemical Co., Ltd. manufactures and exports industrial Sodium Nitrite (NaNO₂, 亚硝酸钠) from Shandong Province, China. This is the dedicated sodium nitrite microsite in the Guowei Chemical product network.

## Primary Website (This Site)
- URL: https://www.guoweichemistrysodiumnitrite.com/
- Product: Sodium Nitrite — Superior Grade ≥99% & First Grade ≥98.5%
- Chemical: Sodium Nitrite (NaNO₂)
- CAS: 7632-00-0 | UN: 1500 | HS Code: 28341000
- Standard: China GB/T 2367
- Hazard: Class 5.1 Oxidizer (dangerous goods export documentation provided)
- MOQ: 1 metric ton (MT)
- Trade terms: FOB, CIF, CFR
- Loading ports: Qingdao, Tianjin
- Company: Shandong Guowei Chemical Co., Ltd.
- Location: Weifang Binhai, Shandong Province, China
- Email: qt.media.work@gmail.com
- WhatsApp: +44 7985 972869

## Corporate Main Site
- https://www.guoweichemical.com/
- Product overview page: https://www.guoweichemical.com/SodiumNitrite.html

## Related Product Microsites
| Product | Chemical | Dedicated Site |
|---------|----------|------------------|
| Soda Ash | Na₂CO₃ | https://www.guoweichemistrysodaash.com/ |
| Caustic Soda | NaOH | https://www.guoweichemistrycausticsoda.com/ |
| Sodium Nitrite | NaNO₂ | https://www.guoweichemistrysodiumnitrite.com/ |
| Sodium Nitrite | NaNO₂ | https://www.guoweichemistrysodiumnitrite.com/ |
| Industrial Salt | NaCl | https://www.guoweichemistrysodiumchloride.com/ |
| Baking Soda | NaHCO₃ | https://www.guoweichemistrybakingsoda.com/ |

## Product Grades
- Superior Grade Sodium Nitrite: ≥99% purity — fine chemical, metal treatment, food-grade custom
- First Grade Sodium Nitrite: ≥98.5% purity — concrete antifreeze, metal anti-rust, textile bleaching

## Applications
- Concrete antifreeze and winter construction
- Metal anti-rust and corrosion inhibitor
- Textile bleaching and dye synthesis
- Pharmaceutical and laboratory diazotization
- Food grade preservative (custom order, ≥99%)

## Key Pages
- Home: https://www.guoweichemistrysodiumnitrite.com/index.html
- Products: https://www.guoweichemistrysodiumnitrite.com/products.html
- News: https://www.guoweichemistrysodiumnitrite.com/news.html
- About: https://www.guoweichemistrysodiumnitrite.com/about.html
- Contact: https://www.guoweichemistrysodiumnitrite.com/contact.html

## Documentation
- MSDS, batch COA and dangerous goods export documents available on request
- UN 1500 Class 5.1 — full DG shipping compliance support

## Sitemap
- https://www.guoweichemistrysodiumnitrite.com/sitemap.xml