TETHMP|Sodium Salt of Triethylene-tetramine Hexmethanephonic Acid

Sodium Salt of Triethylene-tetramine Hexmethanephonic Acid

NANJING FINECHEM HOLDING CO., LTD

Specifications

Item	Index
Appearance	Light yellow to umber transparent liquid
Active content (as salt)	35.0min
Active content (as acid)	25.0min
PH (1% water solution)	10.0-11.0
Density (20℃) g/cm3	1.20min
Fe (Fe2+)，mg/L	20max
Ca sequestration (mg CaCO3/g)	250min
Total phosphorus (asPO43- )%	20.0min

Packing & Storage

Packing	200L plastic drum,IBC(1000L),customers’ requirement.
Storage	20℃, 2 years.
Shipping	Room temperature in China; may vary elsewhere

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General Information

Chemical & Physical Properties

Safety Information

Synthetic Route

Common Names	Sodium Salt of Triethylene-tetramine Hexmethanephonic Acid\|TETHMP
Structure
CAS　No.	N/A	Boiling Point (℃)	N/A
Molecular Weight	974	Melting Point (℃)	N/A
Appearance	Light yellow to umber transparent liquid	Vapor Specific Gravity	N/A
HS Code	N/A	Flash Point (℃)	N/A
Solubility	N/A	Autoignition Temperature (℃)	N/A

	SYMPTOMS	PREVENTION	FIRST AID
Safety Phrases		N/A
RIDADR		N/A
WGK Germany		N/A
Packaging Group		N/A
Hazard Class		N/A
Inhalation	Cough. Sore throat.	Use local exhaust or breathing protection.	Fresh air, rest.
Skin	Redness. Burning sensation. Itching.	Protective gloves.	Remove contaminated clothes. Rinse and then wash skin with water and soap.
Eyes	Redness. Pain.	Wear safety goggles.	First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Ingestion	Abdominal pain. Nausea. Vomiting.	Do not eat, drink, or smoke during work. Wash hands before eating.	Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention.

Potassium hydrogen phosphate (K₂HPO₄) and sodium hydroxide (NaOH) react in water to form sodium phosphate (Na₃PO₄):

K₂HPO₄ + 2NaOH → Na₃PO₄ + 2H₂O

Citric acid (C₆H₈O₇) reacts with sodium phosphate in water to produce disodium citrate (Na₂C₆H₆O₇):

C₆H₈O₇ + Na₃PO₄ → Na₂C₆H₆O₇ + Na₃HPO₄

Disodium citrate reacts with sodium peroxide (Na₂O₂) in water to produce sodium citrate (Na₄C₆H₄O₇):

2Na₂C₆H₆O₇ + Na₂O₂ → Na₄C₆H₄O₇ + H₂O₂ + 2NaOH

Sodium citrate is heated and reacted with hydrogen perphosphate (H₃PO₄) to produce sodium salt of triethylene-tetramine hexmethanephonic acid:

Na₄C₆H₄O₇ + 3H₃PO₄ → Na₆P₆O₁₈ + 4C₆H₆O₇

The entire reaction process needs to be carefully controlled, including temperature, time, and reaction conditions, to ensure high efficiency and purity of the product.

Frequently Asked Questions