• 亚硫酸氢钠 Sodium bisulfite,Chongqing Guangyi Chemical Co., Ltd,亚硫酸氢钠 Sodium bisulfite
  • 亚硫酸氢钠 Sodium bisulfite,Chongqing Guangyi Chemical Co., Ltd,亚硫酸氢钠 Sodium bisulfite

亚硫酸氢钠 Sodium bisulfite

No.CAS 7631-90-5
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  • 亚硫酸氢钠 Sodium bisulfite,Chongqing Guangyi Chemical Co., Ltd,亚硫酸氢钠 Sodium bisulfite

Description

  1. Product Identification

CAS 登记号 CAS No.

7631-90-5

分子式 Molecular formula

NaHSO3((HNaO3S))

分子量 Molecular weight

104.06 g/mol

EC 号 EC / EINECS

231-548-0

MDL 号 MDL number

MFCD00003530

RTECS 号 RTECS

UX8225000

HS 编码 HS Code

2832200000(中国 8 位 28322000;10 位 2832200000,其他亚硫酸盐)

China 8-digit 28322000; 10-digit 2832200000 (other sulfites)

UN 编号 / 危险类别 UN / Class

水溶液 UN 2693,第 8 类(腐蚀性),包装类别 III(按无机亚硫酸盐溶液 n.o.s.);干品常按非危险货物,个别 SDS 列 UN 3077

第 9 类 / Aqueous soln UN 2693, Class 8 (corrosive), PG III (inorganic sulfites aq. n.o.s.); dry product usually non-dangerous, some SDS list UN 3077 / Class 9

中国危险货物编号 China DG No.

未专项列名(干品按普通化学品管理,溶液按承运人判定)/ not specifically listed (dry product managed as ordinary chemical; solution per carrier)

中国危险化学品目录序号

未列入《危险化学品目录(2015版)》(现行有效)/ NOT listed in Catalog of Hazardous Chemicals (2015 ed.), current in-force

别名 Synonyms

亚硫酸氢钠;酸式亚硫酸钠;重亚硫酸钠;Sodium bisulfite;Sodium hydrogen sulfite;Sodium bisulphite;E222



  1. 产品规格(工业级/食品级典型值) 2. Specifications (Industrial / Food grade, Typical)

注:亚硫酸氢钠无统一强制性 GB 标准,规格表为常见商品典型值(工业级 NaHSO3 ≥99.0%;溶液约 38–40%)。具体以每批次《分析合格证(COA)》为准。

Note: sodium bisulfite has no single mandatory GB standard; the table lists typical commercial values (industrial NaHSO3 >=99.0%; solution ~38-40%). Per-COA applies.

项目 Item

指标 Specification (典型值 Typical)

测试方法 Test Method

含量 Assay (NaHSO3)

>= 99.0 %(工业级/食品级典型);溶液约 38–40% / >=99.0% (industrial/food typical); solution ~38-40%

碘量法滴定 Iodometric titration

外观 Appearance

白色结晶或结晶性粉末 / White crystals or crystalline powder

目视 Visual

二氧化硫含量 SO2 content

约 61.0 – 64.0 % / ~61.0-64.0%

滴定 Titration

溶解度 Solubility (20 °C)

约 300 g/L(水);微溶于乙醇 / ~300 g/L (water); slightly sol. in ethanol

pH(1% 水溶液,20 °C)

约 4.0 – 5.5(酸性)/ ~4.0-5.5 (acidic)

pH 计 pH meter

水不溶物 Insolubles

<= 0.005 %(食品级)/ <=0.005% (food grade)

过滤 Filtration

重金属(以 Pb 计)Heavy metals (as Pb)

<= 10 ppm(食品级)/ <=10 ppm (food grade)

原子吸收 AAS

 

  1. 理化性质 3. Physical & Chemical Properties

分子式 Molecular formula

NaHSO3((HNaO3S))

分子量 Molecular weight

104.06 g/mol

外观 Appearance

白色结晶或结晶性粉末;稍有二氧化硫气味

White crystals or crystalline powder; slight SO2 odor

熔点 Melting point

约 150 °C(分解)/ ~150 C (decomposes)

沸点 Boiling point

分解(无清晰沸点)/ Decomposes (no clean BP)

密度 Density

约 1.48 g/cm3

~1.48 g/cm3

pH(1% 水溶液,20 °C)

约 4.0 – 5.5(酸性)/ ~4.0-5.5 (acidic)

溶解度 Solubility

约 300 g/L(水,20 °C);微溶于乙醇

~300 g/L (water, 20 C); slightly sol. in ethanol

稳定性 Stability

稳定;强还原剂。空气中缓慢氧化为硫酸盐;与强氧化剂、强酸不相容(遇酸释放 SO2)/ Stable; strong reducing agent. Slowly oxidizes to sulfate in air; incompatible with strong oxidizers and strong acids (releases SO2)

禁配物 Incompatibilities

强氧化剂、强酸

Strong oxidizers, strong acids

NFPA 704

健康 2

易燃 0 / 反应 1(强还原剂;与酸反应释放 SO2)/ Health 2 / Flammability 0 / Reactivity 1 (strong reducing agent; releases SO2 with acid)

燃烧性 Flammability

非易燃固体(遇热分解放出 SO2 有毒烟气)/ Non-combustible solid (decomposes on heating, emits toxic SO2 fumes)



 4. Applications

食品与饮料:作抗氧化剂与防腐剂(食品添加剂 E222),用于干果、葡萄酒、果汁等护色保鲜。

Food & beverage: antioxidant and preservative (food additive E222) for dried fruit, wine, fruit juice, etc.

纺织印染:作还原剂、脱氯剂,用于漂白后除氯及染色还原工序。

Textile & dyeing: reducing agent and dechlorinating agent; chlorine removal after bleaching and dye reduction.

水处理:作脱氧剂(除溶解氧)、脱氯剂,用于锅炉给水与废水处理。

Water treatment: oxygen scavenger (removes dissolved O2) and dechlorinator for boiler feedwater and wastewater.

造纸与化工:纸浆蒸煮助剂、有机合成中间体、胶片显影定影辅助。

Pulp & paper and chemicals: pulping aid, organic-synthesis intermediate, photographic processing aid.

医药与化妆品:作抗氧剂、防腐剂(E222)。

Pharma & cosmetics: antioxidant and preservative (E222).


5. Storage & Handling

储存于阴凉、干燥、通风良好的库房;容器须密封,防止吸湿与空气氧化变质;远离火种热源(非易燃但受热分解放毒气)。

Store in a cool, dry, well-ventilated area; keep containers tightly closed against moisture and aerial oxidation; away from ignition/heat (non-flammable but emits toxic gas on heating).

与强酸、强氧化剂、食品及饲料分开存放,切忌混储;搬运时轻装轻卸,防止包装破损。

Segregate from strong acids, strong oxidizers, food and feed; no mixed storage; handle gently to avoid package damage.

操作人员佩戴防尘口罩(N95/FFP2)、防护眼镜、防化学品手套(丁腈/橡胶)与防护服;作业现场禁止吸烟进食饮水;工后更衣。避免扬尘与皮肤/眼睛接触、避免吸入粉尘。

Operators wear dust mask (N95/FFP2), goggles, chemical-resistant gloves (nitrile/rubber) and protective clothing; no smoking/eating/drinking on site; change clothes after work. Avoid dust, skin/eye contact and inhalation.


  1. Packaging

固体:常见 25 kg、50 kg 塑料编织袋(内衬塑料袋)或纸塑复合袋;亦可根据客户需求提供 500 kg / 1000 kg 吨袋等。

Solid: commonly 25 kg, 50 kg in plastic-woven bags (inner PE liner) or paper-plastic composite bags; 500 kg / 1000 kg FIBC totes available on request.

溶液:常见 25 kg、200 kg 塑料桶。注意:依主要 SDS 干品可归 UN 2693 / 第 9 类 PG III(或判定非危),溶液按无机亚硫酸盐溶液管理;出口须随附合规 SDS/标签与商检,并以承运人判定为准。

Solution: commonly 25 kg, 200 kg in plastic drums. Note: per major SDS the dry product may be UN 2693 / Class 9 PG III (or non-dangerous); solutions managed as inorganic sulfite solutions; export requires compliant SDS/labels and commodity inspection, subject to carrier.


  1. Shelf Life

在原包装、密封、阴凉干燥(防潮、防氧化、远离酸与氧化剂)条件下,建议保质期 12–24 个月。开封后宜尽快使用。

Recommended shelf life 12-24 months under original sealed packaging, cool and dry (moisture-proof, against oxidation, away from acids and oxidizers). Use promptly after opening.


  1. Safety Note

GHS 危险性分类:依主要 SDS,GHS05(腐蚀)、GHS07(急性/刺激);信号词 危险/Danger。H302(吞咽有害)、H315(皮肤刺激)、H318(严重眼损伤)。补充危害:与酸接触释放有毒气体(SO2)。象形图:GHS05、GHS07。

GHS classification: per major SDS, GHS05 (Corrosive), GHS07 (Acute/Irritant); Signal word Danger. H302 (harmful if swallowed), H315 (skin irritation), H318 (serious eye damage). Supplementary: contact with acids liberates toxic gas (SO2). Pictograms: GHS05, GHS07.

⚠ 关键危害:强还原剂,遇酸释放有毒 SO2 气体;与强氧化剂混合有燃烧爆炸危险;对皮肤、眼睛、粘膜有腐蚀性/刺激性。非易燃固体,受热分解放出 SO2 有毒烟气。灭火可用大量水、砂土;消防人员须在上风向,佩戴防毒面具与全身防护。

⚠ Key hazard: strong reducing agent releasing toxic SO2 on contact with acid; may burn/explode with strong oxidizers; corrosive/irritant to skin, eyes, mucous membranes. Non-combustible solid; decomposes on heating emitting toxic SO2. Extinguish with plenty of water and sand; firefighters upwind with respirators and full protection.

健康危害:吞咽有害(H302);皮肤接触刺激/腐蚀(H315);眼睛接触严重损伤(H318,清水冲洗≥15 min 并就医);吸入粉尘呼吸道刺激。操作时做好职业防护与通风。

Health: harmful if swallowed (H302); skin contact irritates/corrodes (H315); eye contact serious damage (H318, flush >=15 min and seek care); inhaled dust irritates respiratory tract. Use PPE and ventilation.

运输信息 Transport:依主要 SDS,水溶液按 UN 2693,第 8 类(腐蚀性),包装类别 III(按无机亚硫酸盐溶液 n.o.s.);干品常按非危险货物管理,个别 SDS 亦列 UN 3077 / 第 9 类(环境危害)。归类存在差异,出口须随附合规 SDS/标签与商检,并以目的国法规与承运人判定为准。

Transport: per major SDS may be UN 2693, Class 9, PG III (inorganic sulfites, aq. soln n.o.s.); dry product also treated as non-dangerous by some SDS. Classification varies; export requires compliant SDS/labels and commodity inspection, per destination regulation and carrier.

法规 Regulatory:经核未列入中国《危险化学品目录(2015版)》(现行有效);不属于易制毒(第445号令三类均不受管控)、不属于易制爆(2017版名录)、不属于重点监管/监控化学品;已列入《中国现有化学物质名录(2013)》。德国 WGK 1。美国 TSCA 已列;欧盟 REACH 已注册(Active);食品添加剂 E222。

Regulatory: verified NOT listed in China's (current in-force); NOT a precursor (Decree 445, all categories not controlled), NOT explosively-unstable (2017 list), NOT key-supervised/monitored; listed in IECSC (2013). Germany WGK 1. US TSCA listed; EU REACH registered (Active); food additive E222.

NFPA 704:健康 2 / 易燃 0 / 反应 1(强还原剂;与酸反应释放 SO2)。

NFPA 704: Health 2 / Flammability 0 / Reactivity 1 (strong reducing agent; releases SO2 with acid).


免责声明 / Disclaimer

本技术数据表(TDS)所载信息基于公开标准、行业惯例及供应商提供的数据编制,仅供用户参考,不构成任何明示或暗示的担保。

The information in this Technical Data Sheet (TDS) is compiled from published standards, general industry practice, and data supplied by the manufacturer/supplier. It is provided for the user's reference only and constitutes no express or implied warranty of any kind.

表中规格为典型参考值,具体指标以每批次《分析合格证(COA)》为准;用户应自行确认产品对特定用途的适用性与合规性,并遵守所在地法律法规。尤其注意本品为强还原剂与腐蚀性/刺激性固体(GHS05/GHS07,信号词 危险/Danger),可致严重眼损伤(H318)、皮肤刺激(H315)、吞咽有害(H302),且与酸接触释放有毒 SO2 气体;须密封防潮、与强酸及强氧化剂隔离储存与操作。

The specifications listed are typical reference values; actual values are subject to the Certificate of Analysis (COA) of each batch. Users shall independently verify the product's suitability and regulatory compliance for the intended use and shall comply with applicable laws and regulations. Note especially that this product is a strong reducing agent and corrosive/irritant solid (GHS05/GHS07, Signal word Danger) causing Serious Eye Damage (H318), Skin Irritation (H315) and Harmful if swallowed (H302), and releases toxic SO2 gas on contact with acid; store and handle it sealed against moisture and segregated from strong acids and strong oxidizers.

在法律允许的最大范围内,重庆广益化工有限公司不对因使用本数据表或本产品而产生的任何损失、损害或后果承担责任。

To the maximum extent permitted by law, Chongqing Guangyi Chemical Co., Ltd. shall not be liable for any loss, damage, or consequence arising from the use of this data sheet or this product.