I NEED OF MOLECULAR SIZE OF FOLLOWING PRODUCTS: CAS #84-66-2, AND CAS#307-34-6.
COULD USE THE MOLECULAR WEIGHT TO DETERMINE THE MOLECULAR SIZE? PLEASE EXPLAIN ME.
PLEASE INFORM ME MOLECULAR SIZE...
Moderators: Xen, expert, ChenBeier
- Xen
- Sr. Staff Member

- Posts: 142
- Joined: Thu May 25, 2006 9:13 am
Re: PLEASE INFORM ME MOLECULAR SIZE...
1) Search for CAS # here: http://www.webqc.org/chemicalsearch.phpfebausa wrote:I NEED OF MOLECULAR SIZE OF FOLLOWING PRODUCTS: CAS #84-66-2, AND CAS#307-34-6.
COULD USE THE MOLECULAR WEIGHT TO DETERMINE THE MOLECULAR SIZE? PLEASE EXPLAIN ME.
2) One cannot determine molecular size from the molecular weight.
-
febausa
- Newbie

- Posts: 2
- Joined: Mon Jun 11, 2007 3:30 pm
How could determine the molecular size?
How could determine the molecular size in these products. Please to explain to me?
- Xen
- Sr. Staff Member

- Posts: 142
- Joined: Thu May 25, 2006 9:13 am
Re: How could determine the molecular size?
They are determined experimentally, or sometimes theoretically. You may find it in some kind of database or a reference book (library).febausa wrote:How could determine the molecular size in these products. Please to explain to me?
-
chenhongxia
- Jr. Member

- Posts: 8
- Joined: Wed Jul 16, 2008 6:22 pm
maybe you can get some details from here
maybe you can get some details from here(www.lookchem.com).There are many species.One of my frend told me that it's an useful website.