无水磷酸二氢钠

Name: 无水磷酸二氢钠
Brand: 济南圣和化工有限公司

CAS 7558-80-7H2NaO4PMW 119.977主营产品

济南圣和化工有限公司现供应主营产品——无水磷酸二氢钠（CAS 7558-80-7），分子式 H2NaO4P，分子量 119.977。本页理化参数仅供参考，实际常规纯度按批次COA提供(不公开发布)，以批次 COA 及订单确认为准，支持批量采购与长期供货协议。

产品概览

CAS号	7558-80-7
分子式	H2NaO4P
分子量	119.977
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	食品加工助剂；营养强化剂
类别	主营产品\|食品加工助剂\|营养强化剂

应用领域

食品加工助剂；营养强化剂

目前无水磷酸二氢钠主要服务于食品加工助剂与营养强化剂两大方向。我们可按应用场景提供不同规格，随货 COA 列明实测指标，方便您做入厂检验比对。

包装与储存

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

运输常规化工运输

样品可协商提供

交期现货/按订单安排

采购提示：本产品按按订单/批次确认(不公开发布)起订发货，收到货物后请先核对包装完好性再行入库。储存条件为阴凉干燥、密封保存；如需 MSDS 或运输说明，可在询价时一并索取。

质量与文件

每批产品随货提供 COA（分析证书）；可按需提供 MSDS/技术数据表及第三方检测报告。纯度与包装以批次 COA 及订单确认为准。

关于供应商

作为化工原料供应服务商，济南圣和化工有限公司长期服务于化工贸易、食品添加、医药中间体、日化原料等行业的采购需求。除无水磷酸二氢钠外，您还可以在站内按 CAS 号或产品分类检索更多品类，获取规格与报价。

常见问题

无水磷酸二氢钠的 CAS 号是多少？

无水磷酸二氢钠的 CAS 号为 7558-80-7。

该产品的纯度和包装规格是什么？

常规纯度规格为按批次COA提供(不公开发布)，包装为按订单/批次确认(不公开发布)，随货提供 COA。

无水磷酸二氢钠有什么用途？

主要应用于食品加工助剂；营养强化剂。

如何购买或获取报价？

请发送邮件至 info@591daili.com 或通过 WhatsApp 联系，注明产品名称、CAS 号与需求数量，一个工作日内回复报价。供应商：济南圣和化工有限公司。

PubChem 公开数据

Description

Monosodium phosphate is identified by CAS 7558-80-7, molecular formula H2NaO4P and molecular weight 119.96 g/mol. UNII KH7I04HPUU; ChEBI 37585; InChIKey AJPJDKMHJJGVTQ-UHFFFAOYSA-M. Melting Point: 200 °C (decomposes); Solubility: 121; Density: 2360 kg/cu m.

Identification

CAS Registry Number	7558-80-7
PubChem CID	23672064
Molecular formula	H2NaO4P
Molecular weight	119.96 g/mol
IUPAC name	sodium dihydrogen phosphate
InChIKey	AJPJDKMHJJGVTQ-UHFFFAOYSA-M
UNII (FDA)	KH7I04HPUU
ChEBI ID	CHEBI:37585

Computed Descriptors

Molecular Weight	119.977
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	119.95883982
Monoisotopic Mass	119.95883982
Topological Polar Surface Area	80.6
Heavy Atom Count	6
Formal Charge	0
Complexity	61.9

Physical & Chemical Properties

Melting Point	200 °C (decomposes)
Solubility	121
Density	2360 kg/cu m

Physical description & handling notes

Dry Powder; Other Solid; Large Crystals; CBI; Liquid; Liquid; Other Solid
A white odourless, slightly deliquescent powder, crystals or granules
Colorless or white solid; Slightly hygroscopic; [Hawley] White powder; [MSDSonline]
Colorless, monoclinic crystals
White crystalline powder
Odorless

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFI FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS ACIDITY_REGULATOR; SEQUESTRANT: Food Additives ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFIER OR EMULSIFIER SALT, FLAVOR Group MTDI for phosphorus from all sources, expressed as P TRS 683-JECFA 26/25
GHS notification summary	89% (597 / 671)

Regulatory & Food Contact

FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFI
FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
ACIDITY_REGULATOR; SEQUESTRANT: Food Additives
ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFIER OR EMULSIFIER SALT, FLAVOR
Group MTDI for phosphorus from all sources, expressed as P
TRS 683-JECFA 26/25

GHS notification summary

89% (597 / 671)

GHS Hazard Classification

GHS notification summary	89% (597 / 671)
Reported hazard statements	H319 (11%)

This chemical does not meet GHS hazard criteria for 89% (597 of 671) of all reports.

H319 (11%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Documented Uses

Used as a pH buffer (baking powders, fleet enema solutions, electroplating baths, and acid cleaners), sequestrant for foods, emulsifier, laboratory reagent, metal phosphatising reagent, and textile dyeing/printing auxiliary; Also used to treat boiler water and wastewater, remove halogen from waste gases, supplement animal feed, and acidify urine; [HSDB]
Acid and Alkali Cleaning of Metals [Category: Clean]
Electroplating [Category: Plate]
Sewer and Wastewater Treatment [Category: Industry]
Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
Farming (Feed Additives) [Category: Industry]

Synonyms

7558-80-7; Monosodium phosphate; SODIUM DIHYDROGEN PHOSPHATE; Sodium acid phosphate; Sodium phosphate, monobasic; Sodium primary phosphate; Acid sodium phosphate; Monosodium monophosphate; Monobasic sodium phosphate; Monosodium dihydrogen orthophosphate; Monosodium phosphate, anhydrous; Monosodium orthophosphate; Monosorb XP-4; Primary sodium phosphate; Sodium dihydrogen phosphate, anhydrous; Sodium phosphate (Na(H2PO4))

Frequently Asked Questions

What are the CAS number and molecular formula of Monosodium phosphate?

CAS 7558-80-7; molecular formula H2NaO4P; molecular weight 119.96 g/mol.

What other names is Monosodium phosphate known by?

7558-80-7, Monosodium phosphate, SODIUM DIHYDROGEN PHOSPHATE, Sodium acid phosphate, Sodium phosphate, monobasic, Sodium primary phosphate.

What is the regulatory status of Monosodium phosphate?

Documented regulatory listings: FDA Substance added to food: ANTICAKING AGENT OR FREE-FLOW AGENT, ANTIMICROBIAL AGENT, DRYING AGENT, EMULSIFI; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; ACIDITY_REGULATOR; SEQUESTRANT: Food Additives.

Is Monosodium phosphate classified as hazardous?

89% of GHS notifications report no hazard classification (597 of 671).

What are the key physical properties of Monosodium phosphate?

Melting Point: 200 °C (decomposes); Solubility: 121; Density: 2360 kg/cu m.

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.