N, N-Dimethyl-1, 3-Propanediamine Dmapa 99.0% Min Purity for Polyurethane Foam Catalyst CAS 109-55-7

Product Description

N,N-Dimethyl-1,3-propanediamine

N,N-Dimethyl-1,3-propanediamine, CAS 109-55-7, molecular formula C5H14N2, is a clear, colorless to pale yellow alkaline liquid with a strong amine odor. It serves as a key raw material for surfactants, polyurethane catalysts, flocculants and personal care amphoteric surfactants. This corrosive and highly flammable liquid irritates skin, eyes and respiratory tract severely. Packed in sealed steel drums. Store and transport in cool, ventilated areas isolated from acids and oxidants. Operators must wear full chemical-resistant PPE to prevent chemical burns and vapor inhalation risks.

Chemical Composition	Pure N,N-Dimethyl-1,3-propanediamine, molecular formula C5H14N2
CAS Registry Number	109-55-7
Molar Mass	102.18 g/mol
Physical State (25℃, 1 atm)	Colorless to pale yellow volatile alkaline liquid
Boiling Point	122–124 °C
Melting Point	−60 °C
Flash Point (Closed Cup)	32 °C (89.6 °F)
Density (20℃)	0.812 g/cm³
Solubility	Fully miscible with water and common polar organic solvents
Odor	Strong, pungent characteristic amine odor
Chemical Classification	Flammable corrosive aliphatic diamine industrial intermediate

Dongying Zhongcheng Chemical Co., Ltd. Introduction

I. Company Overview and Core Strategy

Established on August 18, 2025, Dongying Zhongcheng Chemical Co., Ltd. leverages the full-industry chain advantages of its parent company, Dongying Hongsheng Investment Co., Ltd., and adopts a strategy of "high-starting-point layout, strong ecosystem support, and professional in-depth cultivation," rapidly growing into a rising benchmark in the domestic chemical trade. The company deeply integrates with the group's ecosystem, achieving full-chain collaboration from raw material procurement to end-user delivery, reducing transaction costs through information management, and practicing green and low-carbon concepts.

II. Group Ecosystem Empowerment: Closed-Loop Support for the Entire Industry Chain

As a wholly-owned subsidiary of Dongying Hongsheng Investment, the company is integrated into the "chemical full-industry chain ecosystem matrix," collaborating with four core subsidiaries (Dongying Zhongcheng Chemical, Shandong Yaohui Chemical, Shandong Jiafu Import & Export, and Zhongsheng International Asia) to form a closed-loop system of raw material procurement, domestic distribution, international circulation, and overseas expansion. With a registered capital of 30 million yuan, it shares the group's capital, supply chain network, and risk control system, achieving low-risk, high-growth development.

FAQ

1. Customer Inquiry: "Do you deal in hazardous chemicals? Do you have product XX?"
Standard Response: "Yes, we are a licensed hazardous chemicals operator (License # available). [Product XX] is a core product for us. We currently stock [Specifications, e.g., 99% industrial grade]. For your intended use in [e.g., production], what quantity do you require? I can promptly provide the MSDS and technical data for your review."

2. Responding to Product Quality Inquiries
Assurance Script: "Quality is guaranteed. Every batch is tested by independent labs (e.g., Shandong Provincial Chemical Research Institute), with CMA-certified reports confirming key specs exceed national standards. Our customer acceptance rate has been 100% for three years."
Process Detail: "Our control is end-to-end: sourcing from [reputable suppliers], real-time production monitoring, and 72-hour pre-shipment stability testing. We maintain full traceability for each batch, from production and testing to delivery."

3. Discussing Payment Terms
Standard Offer: "Our standard terms are advance payment or payment before shipment, as per the signed contract. We are open to discussing flexible arrangements to accommodate your specific needs."

4. Customer Inquiry: "What are the benefits and pricing for long-term cooperation?"
Value Proposition Script: "Long-term partnership comes with three key benefits: 1) Guaranteed Supply with no disruption clauses; 2) Price Protection: 3% discount for quarterly orders over 50 tons, 5% for annual over 300 tons. Price adjustments for market fluctuations >8% will be communicated 7 days in advance; 3) Added Value: Complimentary access to our 'Hazardous Chemicals Management System' for compliance tracking (procurement, usage, disposal), saving significant administrative costs for our partners. Many clients find this system more valuable than simple price cuts. Would you consider a 6-month trial agreement to experience our service?"

5. Warehousing and Logistics

"Our warehousing base has ample storage capacity and is well-organized (dedicated warehousing for hazardous chemicals)~"

"Regarding the supply cycle, for regular products, we can arrange delivery after you place your order, and the delivery time will be communicated to you in advance~ We also have an advantage in logistics costs and will provide a suitable pricing strategy based on your quantity~"

 

6. Product Quality Inquiry Response

"You can completely rest assured about the quality. Every batch of our products has been tested by a third-party testing agency and issued a CMA certification report. Key indicators meet national standards, and the random inspection pass rate is 100%." "Our quality control extends throughout the entire process: raw materials are sourced from [renowned large manufacturers], the production process has an online monitoring system, a 72-hour stability test is conducted before shipment, and a product traceability system has been established, allowing us to trace the production batch, testing records, and distribution of each batch of goods, ensuring traceability."