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structure of 9002-98-6

Poly(Ethyleneimine)(CAS 9002-98-6)

CAS No.: 9002-98-6 Brand: MolBest
M. Ft.: H(NHCH2CH2)nNH2 Cat. No: G6639523
M. Wt.: No record MDL: MFCD00084427
Storage: Store in a cool,dry area. Use: For laboratory research use only
UN No.: UN 3082
Purity Grade Package Stock Price Quantity
branched,99%,M.W. 10,000
Documents:COANMRHPLCSDS
RG 25G In Stock 13 USD
branched,99%,M.W. 10,000
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RG 100G In Stock 30 USD
branched,99%,M.W. 10,000
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RG 500G In Stock 83 USD
branched,99%,M.W. 10,000
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RG 2.5KG In Stock 324 USD
branched,99%,M.W. 10,000
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RG 10KG In Stock 950 USD
branched,99%,M.W.1200
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RG 25G In Stock 8 USD
branched,99%,M.W.1200
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RG 100G In Stock 18 USD
branched,99%,M.W.1200
Documents:COANMRHPLCSDS
RG 500G In Stock 49 USD
branched,99%,M.W.1200
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RG 2.5KG In Stock 280 USD
branched,99%,M.W.1200
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RG 10KG In Stock 977 USD
branched,99%,M.W.1800
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RG 25G In Stock 7 USD
branched,99%,M.W.1800
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RG 100G In Stock 25 USD
branched,99%,M.W.1800
Documents:COANMRHPLCSDS
RG 500G In Stock 70 USD
branched,99%,M.W.1800
Documents:COANMRHPLCSDS
RG 2.5KG In Stock 171 USD
branched,99%,M.W.1800
Documents:COANMRHPLCSDS
RG 10KG In Stock 909 USD
branched,99%,M.W.300
Documents:COANMRHPLCSDS
RG 25G In Stock 4 USD
branched,99%,M.W.300
Documents:COANMRHPLCSDS
RG 100G In Stock 10 USD
branched,99%,M.W.300
Documents:COANMRHPLCSDS
RG 500G In Stock 28 USD
branched,99%,M.W.300
Documents:COANMRHPLCSDS
RG 2.5KG In Stock 94 USD
branched,99%,M.W.300
Documents:COANMRHPLCSDS
RG 10KG In Stock 584 USD
branched,M.W.70000,30% in water
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RG 100G In Stock 14 USD
branched,M.W.70000,30% in water
Documents:COANMRHPLCSDS
RG 500G In Stock 51 USD
branched,M.W.70000,30% in water
Documents:COANMRHPLCSDS
RG 2.5KG In Stock 103 USD
branched,M.W.70000,30% in water
Documents:COANMRHPLCSDS
RG 10KG In Stock 413 USD
branched,M.W.70000,50% in water
Documents:COANMRHPLCSDS
RG 200KG In Stock 6514 USD
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Applications of 9002-98-6

Industry Application Process
Pharmaceuticals Gene transfection vector Forms complexes with DNA via the cationic nature of polyethyleneimine to facilitate cellular uptake
Pharmaceuticals Drug delivery system Loads therapeutic agents within its polymeric structure to enable targeted or sustained release
Pharmaceuticals Biomolecule separation and purification Immobilized as a ligand on solid-phase supports for affinity chromatography
Petrochemicals Drilling fluid additive Enhances drilling fluid stability and reduces fluid loss
Petrochemicals Enhanced oil recovery agent Increases interfacial activity at the oil–water interface during flooding operations
Environmental Protection Water treatment flocculant Promotes sedimentation of suspended particles through charge neutralization and bridging
Environmental Protection Flue gas treatment adsorbent Adsorbs acidic pollutants such as SO₂ and NOₓ
Agriculture Controlled-release fertilizer coating material Forms a film to regulate nutrient release rate
Agriculture Pesticide synergist Improves pesticide adhesion and penetration
Electronics Industry Photoresist additive Enhances photoresist performance and improves resolution
Electronics Industry Semiconductor surface modifier Modifies semiconductor surface properties to improve functional coating adhesion
Consumer Chemicals Hair care ingredient Provides conditioning effects to enhance hair softness and manageability
Consumer Chemicals Cosmetic film-forming agent Forms a protective film to retain skin moisture

Physical and chemical properties of 9002-98-6

Appearance of Characters

Liquid | Pale yellow

Boiling Point

133 °F

Decomposition

When heated to decomposition it emits acrid smoke and irritating fumes.

Density

0.83

Exact Mass

43.04220

Flash Point

12 °F

Index of Refraction

Index of refraction = 1.412 at 25 C/D

LogP

-0.36

Melting Point

-97 °F

Molecular Formula

C2H5N

Molecular Weight

43.06780

Odor

Amine odor

pH

Strongly alkaline

PSA

21.94000

Sensitivity

Hygroscopic

Solubility

Miscible

Storage condition

2-8°C

Vapour density

1.48

Vapour Pressure

160 mmHg

Water Solubility

Soluble in water.

Spectrums of 9002-98-6

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 9002-98-6

Retrosynthesis analysis of 9002-98-6

Q&A for CAS 9002-98-6

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

2. What is the delivery time?
Orders from Ready stock / In stock items typically Ships Tomorrow via Fast Shipping via FedEx/DHL/UPS. International deliveries usually arrive within 7 business days, subject to customs clearance.

3. What if the received product doesn’t meet quality standards?
If your Lab Grade Chemical Reagents do not match the Batch COA available, we will issue a replacement or a full refund upon verification.

4. Are hazardous labels included? How is safe shipping ensured?
Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

5. Do you offer technical support?
Yes. Our Lab Supplier team is available to assist with questions about product usage, storage, Lab Grade requirements, applications, and more.

6. Are volume discounts available?
Yes. For bulk orders of Chemical Reagents, we offer competitive pricing. Submit a quotation request and we’ll provide a tailored offer.

7. Do you provide samples?
Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

8. Do you have products in stock?
Yes. Items labeled In stock / Ready stock on our website are available for immediate shipment, usually within 1–2 business days. Large packs or custom specifications require lead time confirmation.

9. Can you customize purity or packaging?
Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.

10. Is the COA consistent with the shipped batch?
Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.

11. Do you support long-term supply agreements?
Yes. We offer Lab Supplier services for stable batch consistency, pricing agreements, and safety stock for long-term customers to ensure uninterrupted supply.

12. What payment methods do you accept?
We accept Pay Local Currency via bank transfer (T/T), PayPal, and other methods. Credit terms are available for qualified long-term partners.

Download SDS of 9002-98-6

Pictograms

Signal Word

Danger

Hazard Statements

H225 Highly Flammable liquid and vapor
H300+H310+H330 Fatal if swallowed, in contact with skin or if inhaled
H300 Fatal if swallowed
H310 Fatal in contact with skin
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H330 Fatal if inhaled
H340 May cause genetic defects
H350 May cause cancer
H411 Toxic to aquatic life with long lasting effects

Safety Data Sheet

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Operate under the ISO 9001 system